[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.
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| Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
| howtos:network_services:postfix_dovecot_mysql:postfix [2015/02/16 01:26 (UTC)] – astrogeek | howtos:network_services:postfix_dovecot_mysql:postfix [2015/02/16 07:15 (UTC)] – astrogeek | ||
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| Line 42: | Line 42: | ||
| < | < | ||
| ===== Configuring The Postfix MTA ===== | ===== Configuring The Postfix MTA ===== | ||
| - | You should | + | You must become familiar with the [[http:// |
| + | |||
| + | <note important> | ||
| What follows is a minimum configuration to safely operate a virtual email server on the internet, but you will surely want to adapt it to your specific needs. | What follows is a minimum configuration to safely operate a virtual email server on the internet, but you will surely want to adapt it to your specific needs. | ||
| Line 57: | Line 59: | ||
| vi / | vi / | ||
| - | //Uncomment the following lines...// | + | # Uncomment the following lines # |
| smtp inet n | smtp inet n | ||
| submission inet n | submission inet n | ||
| Line 70: | Line 72: | ||
| vi / | vi / | ||
| - | //Now enter the following lines...// | + | # Enter the following lines # |
| mynetworks_style = host | mynetworks_style = host | ||
| myorigin = $mydomain | myorigin = $mydomain | ||
| - | #Change my-domain.com to the actual domain name of your server | + | # Change my-domain.com to the actual domain name of your server |
| mydomain = my-domain.com | mydomain = my-domain.com | ||
| - | # | + | # mydestination must be localhost only to allow postfix to deliver non-virtual system mail # |
| mydestination = localhost | mydestination = localhost | ||
| #IMPORTANT - relay_domains should be empty to prevent your server from becoming a spam relay! | #IMPORTANT - relay_domains should be empty to prevent your server from becoming a spam relay! | ||
| #If you actually need to relay to other domains READ THE DOCUMENTATION CAREFULLY! | #If you actually need to relay to other domains READ THE DOCUMENTATION CAREFULLY! | ||
| - | relay_domains = | + | relay_domains = |
| + | # We have no local users, so no local notifications # | ||
| biff = no | biff = no | ||
| - | append_dot_mydomain = no | ||
| </ | </ | ||
| Now we need to configure the secure aspects of our mail server, again in main.cf: | Now we need to configure the secure aspects of our mail server, again in main.cf: | ||
| - | |||
| < | < | ||
| vi / | vi / | ||
| - | //Enter the following lines...// | + | # Enter the following lines # |
| - | #SSL certificates will be created at these locations when we configure dovecot | + | # SSL certificates will be created at these locations when we configure dovecot |
| smtpd_tls_cert_file = / | smtpd_tls_cert_file = / | ||
| smtpd_tls_key_file = / | smtpd_tls_key_file = / | ||
| Line 119: | Line 120: | ||
| vi / | vi / | ||
| - | //Enter the following lines...// | + | # Enter the following lines # |
| #Tell postfix to use dovecot lmtp for virtual mail delivery | #Tell postfix to use dovecot lmtp for virtual mail delivery | ||
| Line 129: | Line 130: | ||
| virtual_alias_maps = mysql:/ | virtual_alias_maps = mysql:/ | ||
| - | #Set localhost | + | #Set localhost |
| alias_maps = hash:/ | alias_maps = hash:/ | ||
| </ | </ | ||
| - | The last four files do not yet exist on the system and so, must be created. The virtual | + | The last four files do not yet exist on the system and so, must be created. The files prefixed with " |
| First we must tell postfix how to identify which virtual domains it handles mail for by providing a proper query of the virtual database. This query must return true if the domain is in the database: | First we must tell postfix how to identify which virtual domains it handles mail for by providing a proper query of the virtual database. This query must return true if the domain is in the database: | ||
| Line 140: | Line 141: | ||
| vi / | vi / | ||
| - | //Enter the following lines...// | + | # Enter the following lines # |
| user= mailuser | user= mailuser | ||
| password = {your mailuser password} | password = {your mailuser password} | ||
| Line 160: | Line 160: | ||
| vi / | vi / | ||
| - | //Enter the following lines...// | + | # Enter the following lines # |
| user= mailuser | user= mailuser | ||
| password = {your mailuser password} | password = {your mailuser password} | ||
| Line 178: | Line 177: | ||
| vi / | vi / | ||
| - | //Enter the following lines...// | + | # Enter the following lines # |
| user= mailuser | user= mailuser | ||
| password = {your mailuser password} | password = {your mailuser password} | ||
| Line 196: | Line 194: | ||
| vi / | vi / | ||
| - | //Enter the following lines...// | + | # Enter the following lines # |
| postmaster: root | postmaster: root | ||
| - | root: myself | + | root: root |
| </ | </ | ||
