ISP filtering port 25

Lennart Sorensen lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Mon Mar 17 16:01:20 UTC 2014


On Sun, Mar 16, 2014 at 08:03:41AM +0000, Ben Walton wrote:
> This implies that you're trying to send mail either directly from your
> machine to the world or are using a non-ISP provided mail service.
> 
> If it's the former stop it. :)
> 
> You really don't want to do direct to port 25 unless you're a proper mail
> server. If you're doing this on your home internet connection, you don't
> count.
> 
> If it's the latter, I recommend doing this for many reasons. Any mail
> service provider worth using will listen on TCP/587 and require TLS+auth
> for outbound relay through this port.
> 
> (I used to feel quite indignant about this myself. A few years of dealing
> with the type of crap that originates from ISP networks running a mail
> service that people cared about changed this view.)

So according to you people are not allowed to run a mail server for
their own domain anymore unless they are an ISP?

What kind of shitty world do you live in?  That's not reasonable.

-- 
Len Sorensen
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