> Date: Sat, 23 Jul 2011 11:03:26 -0700
> From: ssgriffonuser <ssgriffonu...@gmail.com>
> Subject: Re: Sendmail not accepting connections on port 25 (solved)
>
[[.. sneck ..]]
> However, I also learned that my home ISP blocks outbound
> traffic on port 25 (I thought it only blocked inbound) so I could not
> telnet to port 25 on my VPS. I want to say thanks again for all the
> comments and help.
Note: Blocking _outbound_ traffic to 'port 25' (except for the provider-
operated mail-server) is -very- common for residential ("eyeball"-based)
networks. It prevents virtually all "bot"-originated spam from going
anywhere. Blocking _inbound_ traffic to 'port 25' is *very* rare. If you
just want to _receive_ mail directly, the ISP generally "doesn't care".
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