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linux_wiki:configure_a_system_to_forward_all_email_to_a_central_mail_server [2018/04/17 23:32] billdozor [Null Client Setup] |
linux_wiki:configure_a_system_to_forward_all_email_to_a_central_mail_server [2019/05/25 23:50] (current) |
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| Line 40: | Line 40: | ||
| \\ | \\ | ||
| Configure postfix parameters | Configure postfix parameters | ||
| + | * Option A: Use postconf (faster if you have an idea what parameters you need to configure)< | ||
| + | postconf relayhost | ||
| - | | + | # check all settings |
| + | postconf | grep < | ||
| + | |||
| + | # configure - important | ||
| + | postconf -e ' | ||
| + | |||
| + | # configure - probably already defaults (or set to localhost) | ||
| + | postconf -e ' | ||
| + | postconf -e ' | ||
| + | postconf -e ' | ||
| + | </ | ||
| + | | ||
| # Relayhost to forward mail to | # Relayhost to forward mail to | ||
| Line 55: | Line 68: | ||
| mydomain = example.com | mydomain = example.com | ||
| </ | </ | ||
| - | * Option B: Use postconf< | ||
| - | postconf relayhost | ||
| - | # check all settings | ||
| - | postconf | grep < | ||
| - | |||
| - | # configure | ||
| - | postconf -e ' | ||
| - | postconf -e ' | ||
| - | postconf -e ' | ||
| - | postconf -e ' | ||
| - | </ | ||
| \\ | \\ | ||
| Line 114: | Line 116: | ||
| vim / | vim / | ||
| + | # listening interfaces | ||
| inet_interfaces = all | inet_interfaces = all | ||
| + | |||
| + | # Accept mail for these domains | ||
| mydestination = example.com, | mydestination = example.com, | ||
| Line 144: | Line 149: | ||
| ====== Null Client Testing ====== | ====== Null Client Testing ====== | ||
| - | **From server1**. | + | **From server1** |
| Install a mail client (if not already installed) | Install a mail client (if not already installed) | ||
| Line 154: | Line 159: | ||
| Send a test message | Send a test message | ||
| <code bash> | <code bash> | ||
| - | echo "This is the subject body" | mail -s "This is a postfix forward test" root@server2.example.com | + | echo "Did it work?" | mail -s "This is a postfix forward test" root@server2.example.com |
| </ | </ | ||
| Line 161: | Line 166: | ||
| <code bash> | <code bash> | ||
| tail -f / | tail -f / | ||
| + | </ | ||
| + | |||
| + | \\ | ||
| + | **From server2** | ||
| + | |||
| + | On the postfix relayhost, check root's mail | ||
| + | <code bash> | ||
| + | |||
| </ | </ | ||