[Linux] Postfix help

[David Williams]

I can try that, but if I ping smtp.comcast.net from the postscript =
server it comes back just fine.

Regards,
____________________________________________
David Williams
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-----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,
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> 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.
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> I=E2=80=99ve updated my main.cf file to the following:
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> relayhost =3D smtp.comcast.net
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> But, when ever I try and send an email I get the following in the log
> file:
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> May 15 11:58:24 dtwconsulting postfix/qmgr[5606]: 07F8845880:
> to=3D<dwilliams@XXXXXXXXXXX.com>, relay=3Dnone, delay=3D61238,
> delays=3D61218/20/0/0, dsn=3D4.4.3, status=3Ddeferred (delivery =
temporarily
> suspended: Host or domain name not found. Name service error for
> name=3Dsmtp.comcast.net type=3DMX: Host not found, try again)
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> Can anyone provide any help on this ?
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> 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.
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> Any help would be much appreciated.
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> Regards,
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> ____________________________________________
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> David Williams
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