no, it's statically configured
> > On aug. 9, 2017 at 3:08 p.m., <Dominic Raferd > (mailto:domi...@timedicer.co.uk)> wrote: > > > > > On 9 August 2017 at 12:35, Mai Ling <mailinglist...@gmail.com > (mailto:mailinglist...@gmail.com)> wrote: > > > > > > > > > > > > > My small office client upgraded his internet connection and I've updated > > the self hosted postfix configuration file with the new IP address. > > > > > > > > Soon after, email users began complaining about bounces they started > > receiving for some emails they sent. > > .. > > > > > > > > > > Just checking, is the new ip dynamic? Dynamic ips are blacklisted by many > rbls automatically (and requests for exceptions will be ignored), so in this > case you must use a relayhost. > > > > >
