OK thanks for sharing your experience I'll be changing configurations
> Hello. > > I would also recommend having unique hostnames as well, so that postfix > can keep track. It's perfectly fine to have the same IP. > > IE: mail.mydomain.com, mail2.mydomain.com etc > > Also, it might not be necessary to have two instances, you can probably > do it with one, as SMTPD is for incoming and SMTP is for outbound in > master.cf > > You can specify customer ports in master.cf as well, for example, I have: > > My default inbound which has amavis filtering, and I have a second > listener on 127.0.0.2 for internal relay mail. > > smtp inet n - n - 25 smtpd > -o content_filter=smtp-amavis:[127.0.0.1]:10024 > > 127.0.0.2:25 inet n - n - 25 smtpd > -o smtp_bind_address=$smtp_bind_override > > > > michalr0 wrote: > > Hello i have two instance of postfix > > one for incoming (p:25) and one for outgoing (p:587) > > > > I use this configuration because in this way i may check DNS and MX > > records. I have some virtual domains. When I send email to client which > > changing mail server (from me to other ISP) I sending emails to me server > > (old) not to new server > > > > and I have one trouble > > when I sended email from my server to outside server i working great > > when I received mail from outside server is working great > > > > but when i sended from me to me I have many errors > > NOQUEUE: reject_warning: RCPT from 1-2-3-4.dynamic.xx[1.2.3.4]: 450 4.1.7 > > <ad...@mydomain.dd>: Sender address rejected: unverified address: mail for > > mydomain.dd loops back to myself; from=<ad...@mydomain.dd> > > to=<t...@mydomain.dd> proto=ESMTP helo=<[192.168.1.140]> > > > >
