I think you can install the DNS server locally (on the same machine where postfix runs) and configure postfix to use it
On Wed, Oct 21, 2020 at 1:42 PM Zsombor B <postfix-us...@tuxworx.hu> wrote: > > I can' force the customer changing their DNS. > > Any postfix solution? > > BTW it looks like postfix delivers mails to all the relay servers so > the postmap warning is a bit misleading as if it won't work. > > But this brings up another question: if any of the relay servers can't > accept mail will postfix try any other relay server in the list at the > next attempt? > > > Zsombor > > >> How can I solve this? > > > > Create mail.whatever with A or CNAME records that point to each server. > > > > Then you use: > > > > @foo.bar [mail.whatever]:123 > > >
