[Linux] Postfix help

[Mike Harbison]

I believe the MX record for comcast is comcast.net  

drop the smtp and try it.

mike.

On Tue, 2007-05-15 at 12:30 -0400, David Williams wrote:
> I can try that, but if I ping smtp.comcast.net from the postscript server it comes back just fine.
> 
> Regards,
> ____________________________________________
> David Williams
>  
> -----Original Message-----
> From: linux-admin@flux.org [mailto:linux-admin@flux.org] On Behalf Of Mike Harbison
> Sent: Tuesday, May 15, 2007 12:20 PM
> To: linux@flux.org
> Subject: Re: [Linux] Postfix help
> 
> use the IP address instead of the domain name.
> 
> Give it a try.
> Mike.
> On Tue, 2007-05-15 at 12:20 -0400, David Williams wrote:
> > Hi all,
> > 
> >  
> > 
> > I need help with postfix.  For some reason my outgoing SMTP has
> > stopped working.  My account was recently transferred from Adelphia to
> > Comcast, along with that came a new SMTP server for Comcast.
> > 
> >  
> > 
> > I’ve updated my main.cf file to the following:
> > 
> >  
> > 
> > relayhost = smtp.comcast.net
> > 
> >  
> > 
> > But, when ever I try and send an email I get the following in the log
> > file:
> > 
> >  
> > 
> > May 15 11:58:24 dtwconsulting postfix/qmgr[5606]: 07F8845880:
> > to=<dwilliams@XXXXXXXXXXX.com>, relay=none, delay=61238,
> > delays=61218/20/0/0, dsn=4.4.3, status=deferred (delivery temporarily
> > suspended: Host or domain name not found. Name service error for
> > name=smtp.comcast.net type=MX: Host not found, try again)
> > 
> >  
> > 
> > Can anyone provide any help on this ?
> > 
> >  
> > 
> > As some additional info, I setup Outlook to directly use the Comcast
> > SMTP server and it went through just fine.  So, why is my smtp server,
> > which points to the Comcast SMTP server not working ?  Does Comcast
> > have some additional security in place ?   Seems weird to me.  By the
> > way, my postfix server is on my local (Comcast) network.
> > 
> >  
> > 
> > Any help would be much appreciated.
> > 
> >  
> > 
> >  
> > 
> > Regards,
> > 
> > ____________________________________________
> > 
> > David Williams
> > 
> >  
> > 
> > 
> 
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