It's the first example in smtpd.conf(5).
Edgar On Sep 26, 2019 8:43 AM, john philip <rand....@rambler.ru> wrote: > > Hello everybody. > I'm new to the list :-) > > Postfix has senders-dependent routing and authentication. > > How to do senders-based relaying & authentication as Postfix > to different smart hosts? > > On a laptop, for example: > > us...@isp1.com => smtp.isp1.com:465 > us...@isp1.com => smtp.isp1.com:465 > > us...@isp2.com => smtp.isp2.com:587 > us...@isp3.com => smtp.isp3.com:465 > .. > > Thanks in advence. > > -- > john >