I'll see if I can have a patched version for separate download out tomorrow. It's interesting that I never see these errors on my servers. How often do you see them, and is mail not delivered?

On 11/29/2017 9:24 PM, Jeff Koch wrote:
Hi Eric:

I read the link you provided and agree with the patch to remove the CNAME lookups. Jeff

On 11/29/2017 11:05 PM, Eric Broch wrote:

Hi Jeff,

I've been reading some about this and on one site <https://lists.gt.net/qmail/users/138190> Dan Bernstein recommended in 2012 or there about that the CNAME lookup should be commented out in the code. I might do this and make it available sometime soon.


On 11/29/2017 8:44 PM, Jeff Koch wrote:

Hi Group:

We are seeing some errors like this in the qmail logs:

2017-11-23 17:14:55
info msg 6891411: bytes 3794956 from <pmaldon...@eurostaga.com> qp 27142 uid 89 starting delivery 144153: msg 6891411 to remote mroval...@prevenir.com.ec
delivery 144153: deferral: CNAME_lookup_failed_temporarily._(#4.4.3)/

Doing a little research says that it's often resolved by installing the big dns patch - but I believe QMT already has that patch. Could anything else cause this error?

Also, why is qmail even trying to do a CNAME lookup when the MX record is what's needed ?


Eric Broch
White Horse Technical Consulting (WHTC)

Eric Broch
White Horse Technical Consulting (WHTC)

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