On 07/18/2011 06:35 PM, mouss wrote: > Le 18/07/2011 19:40, Søren Schrøder a écrit : >> I'm doing a 1.5M accounts setup with smtp-auth (submission tcp/587 using >> postfix with dovecot-auth) and a plain smtp/25 for an allowed range of IP's >> for our fixed IP customers >> >> The backend is openldap/postfix/dovecot >> >> > > are you a (relatively) large ISP? if so, how did you move to the > submission part? I am not asking about the tech part, but about the > customer relationship part. your experience may be helpful to others. >
Whenever you get a support call, mention that you have a new, faster, server with more space and you're willing to upgrade them for free; all they'll have to do is change a few settings.
