Just change a VPS.
Or, in my case, azure does block outgoing traffic to smtp port 25, but
they don’t block external port 587/465.
So I configured my postfix on azure to route message out via the
submission port of another VPS.
Regards
On 2024-08-26 02:09, Jyan Ren via Postfix-users wrote:
Dear Postfix Support Team,
Sorry to interrupt, but I hope this email finds you well.
I'm deploying postfix on my vps, but my ISP has blocked outbound
traffic on port 25. To bypass this restriction, I am considering using
a VPN based on the socks5 protocol to forward my SMTP traffic. I would
like to know if this approach is feasible. (I also have a standalone
vpn service in addition to my vps)
I have already configured Shadowsocks and Proxychains on my host, and
Telnet can now connect to Google’s mail service on port 25 (which was
previously inaccessible without the VPN proxy). Could you please advise
if it is possible to configure Postfix to route my SMTP traffic through
the VPN proxy?
Thank you very much for your assistance!
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