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QMAIL SMTP IP Address | Russ Greenwald

QMAIL SMTP IP Address

When mail is sent from my server, Qmail uses not right IP for the connection. How do I change the IP that is used for any outgoing connection from my server?
Article ID: 1190
Last Review: Oct,6 2008
Author: Last updated by: system APPLIES TO:
  • Parallels Plesk Panel for Linux/Unix

Resolution

Default IP for an outgoing connections can be set using ‘ip’ utility. First of all check how routing is configured on the server:
# /sbin/ip route 192.168.50.0/24 dev eth1 proto kernel scope link src 192.168.50.53 169.254.0.0/16 dev eth1 scope link default via 192.168.50.254 dev eth1
If no ‘src’ listed in ‘ip’ output for default route, then main IP on the interface is used for an outgoing connections. You can change it using:
# /sbin/ip route change default via 192.168.50.254 dev eth1 src 192.168.50.100
Now:
/sbin/ip route 192.168.50.0/24 dev eth1 proto kernel scope link src 192.168.50.53 169.254.0.0/16 dev eth1 scope link default via 192.168.50.254 dev eth1 src 192.168.50.100
Note: be careful, if you set wrong IP as source you lose link to the server.
reference
http://kb.parallels.com/en/1190
This entry was posted on Wednesday, April 29th, 2009 at 2:06 pmand is filed under . You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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