Re: SMTP Connections
On Thu, 3 May 2001, MaD dUCK wrote:
> are you behind a firewall?
Yes, but I don't think it blocks outgoing 25/tcp connects.
> try to telnet to port 25 of mail.madduck.net - if you get a refusal,
> then you have a problem on your side and i think you might have a
> firewall that blocks outgoing 25 connects (which is not uncommon).
Connected to mail.madduck.net.
Escape character is '^]'.
220 diamond.madduck.net ESMTP
> > On what basis could a mail server decide which hosts it is going to allow
> > to connect to it?
> ip addresses mostly...
Could you expand on this? How would a mail server decide which IP
addresses to block? Why would it suddenly decide that it doesn't like