Why not use opensmtpd on the VPS to relay your mail ? A rule like "accept for domain example.com relay via secure://you.dynamic.dns" should do what you want if I read the man correctly
2016-11-13 23:25 GMT+01:00 Jiri B <ji...@devio.us>: > On Sun, Nov 13, 2016 at 10:51:22PM +0100, Joris Vanhecke wrote: >> Hey all, >> >> I'd like to pull my emails out of the cloud and run them on a local >> server (pcengines APU2 looks good). >> My ISP blocks tcp ports below 1024 and sending email from a residential >> (dynamic) IP might mark my email as spam. >> >> Right now I'm thinking of renting a cheap VPS and using it as a proxy >> for my home server which would use a dynamic DNS. >> I don't really want a copy of the email on the VPS so I was planning to >> use relayd or socat to route incoming traffic to my local OpenSMTPD >> server. >> >> But I don't really see a way to proxy outgoing connections from smtpd... >> >> Any ideas? > > What about to have paused remote delivery on cloud proxy (and deliver > on request initiated from home server) and paused remote delivery on home > mail server as well and unpause the queue when you do tcp port forwardning > to cloud host as well. > > Or just run VPN between cloud host and home host. If either of them won't > be available your mail will stay in queue. > > j. > -- Cordialement, Coues Ludovic +336 148 743 42
