mail transfer agent

Usually, you do not need to setup an email server under Linux desktop operating system. Most GUI email clients (such as Thunderbird) supports Gmail POP3 and IMAP configurations. But, how do you send mail via the standard or /usr/bin/mail user agents or a shell script? Programs such as sendmail / postfix / exim can be configured as a gmail smarthost but they are largely overkill for this use.

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Postfix is an open source mail transfer agent (MTA), for the routing and delivery of email. This post examples how to forward an email to another local or remote email user using Postfix MTA.

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Explains how to bind Qmail SMTP to particular IP address.

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If you need to send an email with a text file (or binary file) as attachment using shell script or command prompt in Unix or Linux; try mutt – a terminal-based e-mail client for Unix-like systems.

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