[CentOS] You can't get there from here -- SOLVED

Thanks to everybody for the responses. The winning solution
was Ricks (see below) which worked like a charm after poking a
suitable hole in my firewall.

Miark


> [To listen to port 2525], in /etc/postfix/master.cf file,
> locate the lines that look like this:
> 
> smtp inet n - n - - smtpd -o cleanup_service_name=pre-cleanup
> 
> Add the following lines right after them:
> 
> 2525 inet n - n - - smtpd -o cleanup_service_name=pre-cleanup
> 
> Then just do a 'postfix reload' and you should be in business.