On shared hosting servers you probably find your mail server’s ip blocked by other mail servers because of high mail volume or one of your users doing spamming. To change your exim IP for outgoing mail, you can edit your /etc/exim.conf file:—

You can change the interface IP address for exim mail server in the exim configuration file (exim.conf).

1) Stop  Exim service.

[root@map007]# /etc/init.d/exim stop

2) Open the configuration file of exim.

[root@map007]# vi /etc/exim.conf

3)  Check for the following parameters.

By default it would look like below:

Quote:

remote_smtp:
driver = smtp
interface = ${if exists {/etc/mailips}{${lookup{$sender_address_domain}lsearch{/etc/mailips}{$value}{}}}{}}
helo_data = ${if exists {/etc/mailhelo}{${lookup{$sender_address_domain}lsearch{/etc/mailhelo}{$value}{$primary_hostname}}}{$primary_ho stname}}

4) Ccomment line containing “interface” and “helo_data” and add new “interface” to match with that of your new IP address. It should look like as follows:
Quote:
remote_smtp:
driver = smtp
interface = x.x.x.x # Your IP address.

5) Save your changes and exit out from your exim configuration file.

Note : Dont forget to set read only attributes on exim configuration file, so that it wont get reset to default :

[root@map007]# chattr +aui /etc/exim.conf
6) Start exim service on your server.
[root@map007]# /etc/init.d/exim start

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Enjoy Linux !!!