December 2015
Intermediate to advanced
250 pages
4h 41m
English
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Configuring smtp
Many programs use (or can be configured to use) SMTP to send messages about their status and so on. By default, postfix is configured to deliver all messages locally and not respond to incoming mails. If you have an environment of multiple servers, this can become quite tedious to log on to each server to check for new mail. This recipe will show you how to relay messages to a central mail relay or message store that also uses SMTP.
Postfix is installed by default on RHEL 7.
How to do it…
In this recipe, we'll combine several options:
- We'll allow the server to accept incoming mails
- We'll only allow the server to relay messages from recipients in the
mydomain.landomain - We'll forward all mails to the
mailhost.mydomain.lanmailserver ...