Настройка почтового сервера exim4

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To configure Exim for your environment, execute:

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Configure everything according to your needs. If you ever need to modify any of your settings, simply re-run the configuration wizard.

Mail Server Configuration Type

The first configuration window you encounter will ask you to select the «mail server configuration type that best meets your needs.» If not already highlighted, use the arrow keys on your keyboard to select  internet site; mail is sent and received directly using SMTP:

Select the option for internet site

Next, tap the «Tab» key (to highlight  <Ok>) and press «Enter».

Enter FQDN

The next configuration window will ask that you enter your system’s fully qualified domain name (FQDN) in the mail name configuration screen. Type the command below, substituting hostnameyourdomain & tldwith your own values:

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Next, tap the «Tab» key (to highlight  <Ok>) and press «Enter».

SMTP Listener

The ensuing configuration window will ask you to decide on which interfaces you would like Exim to «listen.» Enter:

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Note: DigitalOcean anticipates IPv6 support in the near future, at which time you may want to instruct Exim to listen on both  127.0.0.1; ::1.

Next, tap the «Tab» key (to highlight  <Ok>) and press «Enter».

Mail Destinations

The configuration prompt that follows will ask that you enter all of the destinations for which Exim should accept mail. List your:

  • FQDN;
  • local hostname;
  • localhost.localdomain;
  • localhost

Enter mail destinations

Next, tap the «Tab» key (to highlight  <Ok>) and press «Enter».

Relay Options

Advanced configurations beyond the scope of this article allow you to use Exim as a relay mail server. In the next screen, leave the «relay mail» field blank.

Tap the «Tab» key (to highlight  <Ok>) and press «Enter».

The subsequent screen is a follow-up to the relay-mail-server option. Leave this window blank and tap the «Tab» key (to highlight  <Ok>) and press «Enter».

DNS Queries

Select No when asked whether to keep DNS queries to a minimum.

Make sure that  <No> is highlighted and press «Enter».

Delivery Method

In the window that follows, choose whichever mail delivery method you’d like for incoming mail; although the Maildir format can make handling individual, locally-delivered mail messages easier:

Choose the Maildir delivery method

Next, tap the «Tab» key (to highlight  <Ok>) and press «Enter».

Configuration File

In the ensuing prompt, choose the (default) unsplit configuration file by selecting «No».

Make sure that  <No> is highlighted and press «Enter».

Postmaster address

In the last configuration window, you’ll be asked to specify postmaster mail recipients. Enter the command below, substituting «you», «yourdomain» & «tld» with your own values:

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Note: Make sure that, in addition to root, you enter at least one external email address (choose one that you check frequently).

Test Your Mail Configuration

Send a test email to make sure everything is configured correctly by issuing the following command (substituting someone@somedomain.tld for a valid, external email address):

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Note: You may need check the recipient’s SPAM folder, in the event that the SPF record is not configured correctly.

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