[lug] attbi: misconfigured BROADCAST addr, etc?

[Terry Branaman]

On Monday 10 December 2001 10:22 am, you wrote:
> Neal McBurnett wrote:
> > As a separate matter, I now can't reach mail.attbi.com from the
> > dial-up line I'm using in the interrim.  It was working earlier in the
> > week:
> >
> >  $ telnet mail.attbi.com smtp
> >  Trying 216.148.227.71...
> >
> > Just hangs for a while....
> >
> > Do they now firewall out the rest of the world?
>
> It seems they have also banned outside access to their POP3 server.  I
> get the same result when I 'telnet mail.attbi.com 110' from work.
> Fetchmail is now broken.  Darn.  It seems unreasonable that one would
> be expected to download mail exclusively from home.

I have a fix for that. I set it up to prevent my mailboxes from filling up 
while I was away on vacation for two weeks. I run getmail to download all of 
the mail from my pop3 accounts, then I run an imap server. But I haven't 
tried a solution for sending mail.

>
> Port 25 (smtp) being closed to the outside, OTOH, seems reasonable (if
> a bit unorthodox).  The only reason you would need connectivity to this
> port is for relay, which SHOULD be closed to outside networks anyhow.
> You should probably use the relay provided by your dial-up ISP.