Peter Blair пишет:
Well, you could place a slim smtp proxy between postfix and theInternet.
It's easier to write a small tcp server for tcp_table which will randomize transport :) smtp1 unix - - n - 100 smtp -o smtp_helo_name=smtpout1.do -o smtp_bind_address=1.1.1.1 smtp2 unix - - n - 100 smtp -o smtp_helo_name=smtpout2.do -o smtp_bind_address=2.2.2.2