[plug] cannot send mail to certain domains

[Jon Miller]

After I did what Matt stated I'm now getting the following:
Feb  3 12:22:07 mmtlnx postfix/qmgr[24796]: 4B24D365E2: from=<jonl711 at hotmail.com>, size=1412, nrcpt=1 (queue active)
Feb  3 12:22:07 mmtlnx postfix/smtp[25064]: 4B24D365E2: to=<jlmiller at mmtnetworks.com.au>, relay=none, delay=2, status=bounced (mail for 192.168.2.247 loops back to myself)
Feb  3 12:22:07 mmtlnx postfix/cleanup[25080]: 2273A36BB3: message-id=<20100203042207.2273A36BB3 at mmtlnx.mmtnetworks.com.au>
Feb  3 12:22:07 mmtlnx postfix/qmgr[24796]: 2273A36BB3: from=<>, size=3186, nrcpt=1 (queue active)
Feb  3 12:22:07 mmtlnx postfix/qmgr[24796]: 4B24D365E2: removed
Feb  3 12:22:07 mmtlnx postfix/smtpd[24886]: disconnect from snt0-omc1-s33.snt0.hotmail.com[65.55.90.44]

What I do not understand is why it's still looping back to the server.


Jon

> Date: Wed, 3 Feb 2010 12:13:48 +0800
> Subject: Re: [plug] cannot send mail to certain domains
> From: carl.gherardi at gmail.com
> To: plug at plug.org.au
> 
> > Feb  1 11:28:15 mmtlnx postfix/smtp[31353]: EA83736CEB:
> > to=<maria_louisedking at yahoo.com>, relay=none, delay=7749, status=deferred
> > (Host or domain name not found. Name service error for name=yahoo.com
> > type=MX: Host not found, try again)
> >
> >
> >
> > What I’m trying to find out, is this DNS or rDNS related.
> 
> Is this happening for all domains?
> 
> I assume mx lookup for yahoo.com actually works.
> 
> I have had issues with udp only dns lookups for larger domains, and
> had to allow tcp connections. The working theory was that the size of
> the response exceeded what a single packet udp allowed.
> 
> HTH
> 
> Carl G
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