PowerMTA IP Rotation

To setup IP rotation in PowerMTA, configure multiple IP on the server. Setup rDNS for each of these IP, point a sub domain to these IPs same as the reverse DNS entry.

Here is an exable

First we need to edit DNS records. Add folowing A records.

pmta1.sevrerok.in    A       176.123.8.12
pmta2.sevrerok.in    A       176.123.8.13 
pmta3.sevrerok.in    A       176.123.8.17

Set up rDNS (reverse DNS/PTR Record) with your server provider.

176.123.8.12 > pmta1.sevrerok.in
176.123.8.13 > pmta2.sevrerok.in
176.123.8.17 > pmta3.sevrerok.in

Edit PowerMTA config file

vi /etc/pmta/config

Find your virtual-mta configuration, replace it with


    smtp-source-host 176.123.8.12 pmta1.sevrerok.in
    domain-key default,*,/etc/pmta/default.sevrerok.in.pem
    
    max-msg-rate 400/h
    



    smtp-source-host 176.123.8.13 pmta2.sevrerok.in
    domain-key default,*,/etc/pmta/default.sevrerok.in.pem
    
    max-msg-rate 400/h
    



    smtp-source-host 176.123.8.17 pmta3.sevrerok.in
    domain-key default,*,/etc/pmta/default.sevrerok.in.pem
    
    max-msg-rate 400/h
    



    virtual-mta pmta1
    virtual-mta pmta2
    virtual-mta pmta3

See PowerMTA

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