[plug] cannot send mail to certain domains

[Jon Miller]

yes this happens to all domains, I cannot receive emails at this point.


> 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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