Viktor Dukhovni: > On Fri, Dec 02, 2022 at 11:36:30AM -0500, John Stoffel wrote: > > > I tried setting up /etc/postfix/transport_maps like this: > > > > charter.net [mobile.charter.net]:587
The right-hand side should be transport:nexthop or transport:nexthop:service-or-port Where transport is the name of a mail delivery service in master.cf, like 'smtp' or 'relay'. > > But it started routing all my outgoing email through them, which isn't > > going to work. > > That's not the way the transport table work. That particular entry > affects only message recipients at that particular domain. > > > So I'm missing something here. Do I need to setup a seperate instance > > for sending email to @charter.net through an authenticated connection? > > No, you can route specific domains to specific transport+nexthop > combinations by using the transport(5) table. > > -- > Viktor. >