Mail gateway ScrollOutF1. Outgoing mail gateways Configuring e-mail server settings
The device has full color scanning and digital sending functions. The control panel allows you to scan black and white and color documents and send them to specified email addresses as attachments. Digital data sending functions only work when the unit is connected to a local area network (LAN). The device can be connected to the local network directly.
The product cannot make color copies or print color documents, but full color scanning and sending color images is supported.
Setting e-mail options
Before sending documents, you must configure the device settings related to email processing.
Note The following instructions are for setting up the machine using the control panel. You can do the same with the embedded Web server.
Supported protocols
SMTP is a set of rules for how programs send and receive e-mail. To send documents by e-mail, the machine must be connected to a local network with a correct SMTP IP address. The SMTP server must also have Internet access.
If you are using a LAN connection to obtain the IP address of the SMTP server, contact your system administrator. When connecting using DSL, contact your service provider to obtain the IP address of the SMTP server.
LDAP is used to access a database of information. When using LDAP, the device looks for the Global Email List. When you enter an email address, LDAP uses an auto-complete feature that maintains a list of email addresses that match the entered characters. When you enter additional characters, a list of matching email addresses. mail is shrinking.
The device supports LDAP, but you do not need to connect to an LDAP server to send e-mail.
Note LDAP settings can only be changed using the built-in web server.
Setting e-mail server parameters
Find out the IP address of the SMTP server from your system administrator. Alternatively, this IP address can be determined from the control panel of the device. Then follow the procedures below to manually configure the IP address and test it.
Configuring the SMTP Gateway Address
3. Select Email Setup. mail, then SMTP Gateway.
4. Enter the SMTP gateway address in the form of an IP address or fully qualified domain name. If you do not know the domain name or IP address of the SMTP gateway, contact your network administrator.
5. Tap OK.
Testing SMTP parameters
1. From the home screen, touch Administration.
2. Tap Initial setup.
3. Tap Email Setup. mail, and then Check the sending gateway.
If the configuration is correct, the message Gateways OK appears on the control panel.
If the first test is successful, send yourself an e-mail using the digital send feature. If the sent e-mail message is received, then the digital data sending function setup was successful.
If you do not receive the message, try to resolve the issue by following these steps:
Check if you entered the correct SMTP server and message recipient addresses.
Print a configuration page. Check if the SMTP gateway address is correct.
Make sure the network is working properly. Send an email to your email address from your computer. If the letter has arrived, then the network is working properly. If the email did not arrive, contact your network administrator or Internet Service Provider (ISP).
Run the DISCOVER.EXE file.
Find gateways
If you do not know the SMTP gateway address, try one of the methods below to determine it.
Finding an SMTP gateway from the MFP control panel
1. From the home screen, touch Administration.
2. Tap Initial setup.
3. Tap E-mail setup and then Search for sending gateways.
The touchscreen displays a list of detected SMTP servers.
4. Select the required SMTP server and tap OK.
Finding an SMTP Gateway Using an Email Application
Since most email applications use SMTP to send email and LDAP to address these messages, you may be able to find the hostname of the SMTP gateway and LDAP server in your email application settings.
Finding gateways using your e-mail application can be difficult because a working SMTP server cannot be found if it is using an Internet Service Provider (ISP). Contact your ISP for their email address.
Using the Send Email screen mail
To navigate the function keys of the Send Email window mail, use the touch screen.
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Send Email button mail |
Clicking on this button starts the process of scanning the document and sending the file by email. mail to the specified addresses. |
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Home button |
Clicking on this button opens the Home screen. |
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Tap this button and open the keyboard screen, then enter your email address. mail. If the system administrator has configured the appropriate settings, then when you click this button, the default address can be inserted into this field automatically. |
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To field: |
Tap this button and open the keyboard screen, then enter email addresses. mail recipients of the scanned document. |
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Subject field: |
Tap this button to open the keyboard screen, then enter a subject for your message. |
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Button Additional functions |
Pressing this button opens a screen where you can change certain email settings. mails related to the current scan job. |
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Scroll bar |
Using the scroll bar, you can scroll and fill in the Cc :, Bcc :, Message and File name fields with information. Click on any of these fields to open the keyboard screen and fill in the required information in the field. |
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Address Book Buttons |
These buttons are used to enter the necessary information from the address book into the To :, Cc: or Bcc: fields. |
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Help key |
Click this button for help on the control panel. |
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Error / warning button |
This button appears only if an error or warning occurs in the status bar. When you click this button, a pop-up window opens with information that can help you resolve an error or resolve an alarming situation. |
Basic email features
The device's support for data transmission by e-mail provides the following capabilities:
Sending documents to multiple email addresses, saving time and shipping costs.
Delivery of black and white or color files. Files can be sent in a variety of formats that the recipient can handle.
After scanning a document, you can save it to the machine and send it to one or more email addresses as an attachment. Digital documents can be sent in one of several supported graphic formats such as .TFF and .JPG; this allows recipients to process files in different programs, depending on their specific needs. The documents are delivered to the addressees in a quality close to the original; later they can be printed, saved or sent to third parties.
The sending e-mail function only works when the device is connected to a valid local network with SMTP support and is connected to the Internet.
Uploading documents
Documents can be scanned using the scanner glass or the ADF. The scanner glass and ADF can handle originals such as Letter, Executive, A4, and A5. In addition, the ADF can be configured to handle legal size originals. Small originals, receipts, frayed and irregular documents, bound documents, folded documents, and photographs must be scanned on the scanner glass. Multi-page documents can be easily scanned using the ADF.
Sending documents
The device can scan both black and white and color originals. You can reconfigure the default scan settings and change the format of the sent files. The default options are:
PDF (Adobe Acrobat viewer must be installed on the recipient's computer to view the attachment
Sending a document
2. From the home screen, tap Email. mail.
3. When prompted, enter your username and password.
4. Complete the From :, To :, and Subject: fields. Scroll down the screen and, if necessary, fill in the Cc :, Bcc :, and Message fields. The From: field should display the default information or username. If this field contains default information, it probably cannot be changed.
5. Touch More Options to change the options for the document you are sending (for example, the size of the original of this document). When sending a two-sided document, you must select Sides and the two-sided original option.
6. Click the Start button to start uploading.
7. When finished, remove the document from the ADF or from the scanner glass.
Using the auto-fill feature
When you enter characters in the To :, Cc :, or From: fields on the Email Send screen, the auto-complete feature starts. As you enter the desired address or name on the on-screen keyboard, the MFP automatically scrolls through the address book list and displays the first available address or name that begins with the characters already entered. If this address or name completely coincides with the entered address or name, then further entry can be stopped by touching the Enter key on the touch keyboard. Otherwise, you must continue entering the address or name until the auto-complete feature finds the correct address book entry. If the entered characters do not match the entries in the address book list, the auto-complete text will be removed from the screen. This means that the address you entered is not in the address book.
The address book
Sending email messages to multiple recipients is made easier by the device's address book. Contact your system administrator for instructions on setting up the address list.
The ability to create and manage an address book also includes an embedded Web server. For more information, see Embedded Web Server.
Create a recipient list
1. From the Home screen, tap Email. mail.
2. Perform one of the following steps:
Tap To: to open the keyboard screen and type email addresses. mail recipients. When entering multiple addresses, separate them with a semicolon or by pressing the Enter key on the touch screen.
Using the address book.
a. Open your address book. To do this, on the Send messages by email screen. mail, click the Address Book button ().
b. Navigation in the address book is carried out using the scroll bar. Press and hold an arrow key to scroll quickly through the list.
v. Highlight the recipient's name and click the Add button.
You can also select a mailing list. To do this, click the drop-down list located at the top of the screen and then click Everyone or add a recipient from the local list. To do this, click Local in the drop-down list. To add names to the recipient list, highlight the appropriate names, then press.
To remove a recipient from the list, scroll through the list, select the recipient and click the Remove button
3. The names in the recipient list are placed on the text line of the keyboard screen. If necessary, you can add a recipient that was not found in the address book by entering an e-mail address using the keyboard. When the list of recipients looks like you want, click OK.
4. Click OK.
5. If necessary, complete the Cc: and Subject: fields in the Send Email Message window. mail. You can view the list of recipients by clicking the down arrow in the To: text line.
6. Press the Start key.
Working with the local address book
The Local Address Book is for storing frequently used email addresses. A local address book can be shared by multiple MFPs accessing the same server to access HP Digital Sending software.
You can use the address book when entering email addresses in the From :, To :, Cc :, or Bcc: fields. You can also add or remove addresses from the address book.
To open the address book, tap the address book button.
Add email addresses to the local address book
1. Touch Local.
2. Touch the Name field and the keyboard screen appears, which you can use to enter a name for the new line. Tap OK.
The value in the Name field is the alias for the e-mail address. If you do not enter the alias name, the email address will appear as the alias.
3. Touch the Address field and the keyboard screen appears, which you can use to enter the email address for the new line. Tap OK.
Removing email addresses from the address book
You can delete unused email addresses.
To change an email address, you must delete the address, then add it to the local address book as a new address.
1. Touch Local.
2. Tap one or more email addresses that you want to delete.
The following message appears: Delete selected addresses?
3. Tap Yes to delete the selected email addresses or No to return to the address book screen.
Scan to folder
This product feature is only available on the HP LaserJet M5035 MFP models.
The machine can scan a file and send it to a folder on the network if the administrator has made this feature available. Supported operating systems for storage folders: Windows 2000, Windows XP, Windows Server 2003, and Novell.
You may need to enter a username and password to use this feature, or save scanned document files in specific folders. For more information, contact your system administrator.
1. Place the document face down on the scanner glass or face up in the ADF.
2. From the Home screen, tap Network Folder.
3. From the Quick Access Folders list, select the folder where you want to save the document.
4. Press the File name field to open the keyboard pop-up screen and type a name for the file.
5. Click Send to Network Folder.
Scan Jobs to Workflow Destination
This MFP feature, based on the optional Digital Sending Software (DSS), is supported only on the HP LaserJet M5035 MFP.
If the system administrator has enabled the workflow function, the user can scan the document and immediately send it to the specified destination. This feature allows you to send additional information along with the scanned document to a specified network location or FTP address. This will prompt you to enter additional information on the control panel display. The system administrator can also designate a printer as a destination so that a user can scan a document and immediately send it to print to a network printer.
1. Place the document face down on the scanner glass, or face up in the ADF.
2. From the home screen, tap Order of operations.
3. Select the destination where you want to scan the document.
4. In the text box, enter the information to accompany the scanned file, and then touch Sending Order.
This article discusses how to configure a Postfix mail server as an organization's mail gateway. The most common reason for doing this is to improve security, even if you are not using Exchange. Security is improved by not opening any ports on the gateway except SMTP and not storing user mail messages. The worst thing that can happen is that an attacker will receive a list of your domain's email addresses. The gateway is also used for spam filtering, greylisting, virus scanning and some other useful actions.
There are a large number of "articles" on the Internet that greatly simplify the process by using the "relayhost = internalsmtp.example.com" directive. In this case, there is a problem with the fact that the gateway does not know anything about internal addresses (even if it is configured to accept mail only for the @ example.com domain). A situation may arise, and will surely arise during a spam attack, when there will be a stream of letters to the wrong addresses, which the external gateway will forward to the internal mail server, which will spend time processing, reject the letter and send it back to the gateway, etc. A large number of such messages will significantly reduce the performance of the mail server.
For correct configuration of the mail gateway, it is necessary that it knows the correct internal addresses. In this case, any message containing a non-existent address is immediately cut off by the server, even before the data is received.
Customization
In this article, we will not consider installing Postfix, since this server is easily installed under most distributions, and you can find a large number of articles devoted to this action.
/etc/postfix/main.cf
As the name suggests, this is the main Postfix configuration file.
Hint: The command below will show you all configuration directives with values different from the default:
Postconf -n
Since only mail forwarding is required on the gateway, we disable local delivery of messages (Note: an empty value of the configuration directive means it is disabled):
Mydestination = local_recipient_maps = local_transport = error: local mail delivery is disabled
Install the directive myorigin to the value of the domain to which mail is forwarded:
Myorigin = example.com
The mynetworks = directive define the networks that are allowed to forward through this server. Usually, this includes only the internal local network, or generally only the IP of the internal mail server:
Mynetworks = 127.0.0.0/8, 172.16.42.0/24
This section prevents receiving messages for addresses of the form [email protected] to match. We will explicitly define the domains for which you want to accept mail in the relay_domains directive below.
Parent_domain_matches_subdomains = debug_peer_list, smtpd_access_maps
relay_domains = in this directive we define the domains for which you want to receive mail.
Relay_domains = example1.com, example2.com, subdomain.example.com
smtpd_recipient_restrictions = control the actions of the server after the RCPT TO command.
Smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination
transport_maps = we specify the connection between domains and SMTP servers to which mail will be forwarded.
Transport_maps = hash: / etc / postfix / transport
relay_recipient_maps = Pointer to a file that will contain a list of email addresses for which Postfix will accept messages.
Relay_recipient_maps = hash: / etc / postfix / relay_recipients
show_user_unknown_table_name = at set value no returns a "User unknown" message if the email address is not found. Used in conjunction with relay_recipient_maps.
Show_user_unknown_table_name = no
Although local mail delivery is disabled, the mail gateway must accept mail for postmaster and abuse addresses. To do this, define virtual aliases.
Virtual_alias_maps = hash: / etc / postfix / virtual
/etc/postfix/master.cf
This file defines the services that Postfix will serve. To completely disable local delivery, edit this file and insert the # symbol at the beginning of the next line:
#local unix - n n - - local
/ etc / postfix / virtual
In a typical Postfix configuration, the / etc / aliases file is used to forward mail to other accounts or external addresses. However, since local delivery is disabled, modifying the etc / aliases file will have no effect. Therefore, we need to use the / etc / postfix / virtual.
Postmaster [email protected] abuse [email protected] root [email protected]
You can also use this file more widely. You can redirect mail to other addresses, create simple mailing lists or copy mail to another user, and more ..
[email protected] [email protected] [email protected] [email protected],[email protected],[email protected] [email protected] [email protected] [email protected] [email protected],[email protected]
/ etc / postfix / transport
This file defines the relationship between domains and servers where mail should be forwarded for these domains.
Example1.com smtp: insidesmtp.example.com example2.com smtp: insidesmtp.example.com subdomain.example.com smtp: insidesmtp.example.com
/ etc / postfix / relay_recipients
This file contains a complete list of email addresses for which the gateway will accept messages.
[email protected] OK [email protected] OK [email protected] OK [email protected] OK [email protected] OK [email protected] OK
Fill in the relay_recipients file with addresses from Active Directory
This script requires perl and the Net :: LDAP module installed.
- Download the script from http://www-personal.umich.edu/~malth/gaptuning/postfix/getadsmtp.pl
- Edit the script according to your values:
We create bases
To complete, we need to make hashed databases from the files we filled in:
Postmap hash: / etc / postfix / virtual postmap hash: / etc / postfix / transport postmap hash: / etc / postfix / relay_recipients
Note: remember that you need to re-hash the database after every file change.
Restarting Postfix
The preferred way for Postfix to re-read the configuration files is as follows:
Postfix reload
Examination
As you can see from the following example, this configuration works:
telnet emailgateway.example.com smtp 220 emailgateway.example.com ESMTP Postfix EHLO localhost 250-emailgateway.example.com 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250 8BITMIME MAIL FROM:
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Let's talk today about the mail gateway ScrollOutF1... Why is it needed, what it does, what features of use, etc.
It is really easy to set up and operate, only you should have an understanding of how the MTA works. I advise you to read / repeat the ABC books, especially about DNS: http://goo.gl/CYic6W
About installation ScrollOutF1 I will not write much, especially since there is a ready-made distribution kit based on Debian. Put it, the only advice: during installation, just skip all settings (except for the network) and skip ahead .. configure everything else through the web interface. If you are especially wise during installation, the web interface may not work) All screenshots and so on, you can also see on the off. site.
Why do you need a mail gateway? Mostly antispam. Or, for example, if you have two mail servers on different domains domain.ru and domain.com with the same accounts on them, you can organize duplicate mail (it will come both there and there). Also, users can send mail directly through it, there you can add all sorts of goodies like DRIM signatures and other things.
How it works? Very simple. Set the gateway, register it as the main MX record on your domain. It will receive mail and forward it to the mail server, and users will also send letters outside through this gateway (optionally, the gateway will add messages sent through itself on the mail server to “sent ones”). You can use this mail gateway on many domains, it is enough to specify it as the MX record of the domain, and do not change its original FQDN. If the senders should have a different reputation, then you need an external IP address for each. ScrollOutF1 works only through the SMTP protocol (i.e. pop and imap users will look at the mail server as before, only the smtp settings can be changed to the mail gateway - this is optional).
Next, let's talk about the DNS settings ... mail.domain ... is the A record, our mail server. smtp.domain ... is the A and MX records of our mail gateway. To register a PTR record, you need to ask the provider (i.e. the owner of the IP).
DNS settings:
domain.com
mail.domain.com = 1.2.3.4 (A)
smtp.domain.com = 5.6.7.8 (A, MX)
domain.com. 3600 IN TXT “v = spf1 a mx -all” (SPF)
domain.ru
mail.domain.ru = 9.9.9.9 (A)
smtp.domain.com (MX)
domain.ru. 3600 IN TXT “v = spf1 a mx -all” (SPF)
8.7.6.5.in-addr.arpa. IN PTR smtp.domain.com. (PTR)
Mail work scheme.. two mail servers, receiving and sending through a gateway:
One mail server, receiving mail through a gateway, sending through a mail server:
One mail server, receiving and sending mail through a mail gateway:
Well, a little about the web interface ScrollOutF1:
CONNECT - server network setting.
ROUTE - setting up mail servers, their FQDN and IP. Interesting options here - "Clone incoming emails ..." - this is the duplication of mail that I described above, also "Trusted networks" (this parameter goes directly to Postfix, your network is automatically turned on there and the router is excluded, do not add the router, otherwise it will be Open Relay), and also “Spam traps” (see description, useful thing).
SECURE - anti-spam security and aggressiveness settings. There are also white-black lists in SENDERS, and a geographic filter in COUNTRIES. I have the following level settings set in LEVELS:
COLLECT is the main spam mailbox, all blocked spam and reports will be sent here. ScrollOutF1 connects to this mail account via IMAP (accordingly, it should be monitored by the admin by dragging emails into one of the folders) and constantly checks the GOOD and BAD folders, where BAD is spam, and GOOD is not spam. The letters entered in the BAD teach the antispam content, and the sender is automatically sent to the “black list”. With GOOD, the situation is the opposite, and if you check the “Send false positive messages ...” box, then when you move non-spam to the GOOD folder, the letter will be sent to the recipient unchanged.
MONITOR - in this tab you can monitor mail flow in real time (it is very conveniently implemented, by the way) and analyze graphs, watch the load on the server.
Well, that's all, otherwise it's the same Postfix + Amavis. Additional postfix additions manually work quite well for themselves, only after restarting the configs are overwritten to auto-generated ones. Therefore, it is enough to keep a copy of the modified configs you need (postfix reload - restarts postfix with any config, and service postfix restart - full restart with auto-generation of configs).
Well, that's all :) I hope my notes will be useful to you.
PS... I recommend as a mail server iRedMail ;)
The MFP's e-mail functionality allows you to send scanned documents directly to e-mail boxes (e-mail), converting paper information into digital images that can be shared, saved and modified. This saves the user MFP from the need to first create and save an electronic copy of a paper document, and then send it using an email client. Now by means MFP all this can be done in one step.
On the page Email settings you can enable and configure the sending e-mail functions for mfp.
1. To enable the Email Send feature, click Email Settings.
2. Email messaging by means MFP through an SMTP gateway server. To specify the SMTP gateway server, enter the following SMTP gateway parameters:
· Dropdown Sending by email ... choose a way to send messages by e-mail:
When choosing an option e-mails will be sent to the SMTP gateway server using the Digital Sending software (using the settings on the Email Settings page). This method requires an extra step to send data by email with MFP but it uses a more powerful email delivery mechanism.
When choosing an option directly from mfp e-mail messages are sent to the SMTP gateway server directly from the MFP. The following information needs to be configured:
· In the window SMTP gateway device: enter the IP address or hostname of the SMTP gateway server that will handle email requests from MFP... If you do not know the IP address or hostname of the SMTP gateway, click Find gateways to search the network for a suitable SMTP gateway server (if available).
Note. Some models MFP only recognize IP addresses. In such cases, hostnames are converted to corresponding IP-address.
· In the window PORT: enter the TCP / IP port number on which the server handles SMTP requests, usually port 25.
· Dropdown Maximum attachment size select the maximum size of email attachments supported by the SMTP gateway server. If with MFP you need to send an attachment that is larger than the maximum size, the attachment will be split into smaller files that will be sent in several letters.
· Click the button Test to test the functionality of the specified SMTP gateway server.
Note.On older MFP models option via digital sending service is the only one possible. Other models MFP can only support variant directly from mfp.
3. If on this MFP the authentication function is not enabled, the user must enter the email address in the " From:"on the MFP control panel to send a message (to specify the sender of the message). If the user did not enter an email address, the MFP uses Default "From:" address:
· In the window Email address enter the default sender email address.
· You can also enter Screen name... The name entered here will appear in the From: field when the MFP user first enables the Email function. This field can be used to display instructions for the MFP user (such as: "Enter your email address in this field").
Note. If Display name unspecified, the value entered in the field Address Email , will be shown in the " From:" .
· To deny a user MFP change field value " From:", check the box for the function Prevent the device user from changing the default "From:" address... This will prevent the user from entering other data into the field.
The SMTP gateway is a regular SMTP server, the implementation of the SMTP protocol in it is the smallest. Service enabled in the program configuration wizard, it binds to all IP addresses of all external interfaces. Those. if no external networks are assigned in the program, then this service will be unavailable. Access to the TCP port of the gateway SMTP server in the external firewall will open automatically.
To filter messages, there is a set of rules for the SMTP gateway itself, and various extension modules (plugins) can also be connected. The processing of the message by the rules is carried out not only after the receipt of the entire message, but also for each event associated with certain stages of receiving a message in the framework of the SMTP protocol. This allows you to configure the filtering procedure in such a way that messages can be filtered out as early as possible, while saving traffic.
For each event, only those message attributes that are already available (accepted) are available for analysis -
Only these attributes can be checked in rules; regular expression syntax is used. Analysis of the entire message is available only in plug-ins.
There are the following events on which the message processing actions are performed -
| Complete - the entire message has been received. All attributes are also available. This event is also used to scan the message for viruses. |
The operation of message filtering by header data can be performed by the event of their reception, but here it should be borne in mind that the SMTP client at this stage of sending a message, most likely, will not parse the return code, and the termination of receiving the data of the message body will be perceived as a communication error, and through will attempt to resend for a while. Therefore, such filtering is best done upon receipt of the entire message (event Complete).
The SMTP gateway has a mechanism for adding (subtracting) the so-called.message weight, which makes it possible to implement its processing by a combination of different features. If at the very end of receiving and analyzing a message, this weight exceeds a certain predetermined threshold, then the message can be filtered.
In addition to such a radical action - filtering (blocking), can also be donetagging a message in a subject or its headers... These signs can later be used to filter messages in the mail server of the organization, or directly in the client mail program. Subject mark can also be used by the client mailer to distribute received messages in different folders. A message can be marked when its weight is exceeded by a specified threshold, as well as by separate rules.
To analyze the operation of the SMTP gateway, debug rules and search for lost messages, logs are kept in several logs -
Tariffication of mail and analysis of recipient addresses.
There are two modes of working with recipients - receivingonly for known recipients, or accept for any recipients from the specified list of domains. Thus, it is fundamentally impossible to send a message through an SMTP gateway to arbitrary addresses - the forwarding function ( relay ) is always limited to an acceptable range.
In the first case, all E-Mail addresses of recipients must be registered with the clients of the program and all incoming mail traffic will be charged. In the second case, it is necessary to additionally register all the mail domains of the organization, and only the mail, the recipients of which are registered in the program, will be charged. The second option can be recommended at the initial stage of the SMTP gateway implementation, when not all E-Mail addresses are registered in the program yet.
Using the first option in a large organization allows you to greatly save traffic, the experience of using the gateway shows that, as a rule, there is a very large mail traffic to non-existent recipients - mail subscriptions of dismissed employees, mailings to randomly generated domain addresses, etc.
If the message has several recipients, then the traffic for the message can be counted to all in full, or divided equally into them. For this, there is an acc. customization.
There are also several settings to allow or deny receiving mail for clients disabled by different criteria.
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