Hi,
Today I had a problem to send messages to alltech.com domain. I have
lots of lines in the logs like this:
Oct 9 10:20:32 pegasas courieresmtp:
id=0004A03C.4529F819.000003A0,from=<[EMAIL PROTECTED]>,addr=<[EMAIL PROTECTED]>:
DNS lookup failed.
Oct 9 10:20:32 pegasas courieresmtp:
id=0004A03C.4529F819.000003A0,from=<[EMAIL PROTECTED]>,addr=<[EMAIL
PROTECTED]>,status:
deferred
This domain has 11 MX records and the record with max priority (least
favored) fails to resolve. "testmxlookup alltech.com" produced
Soft error.
I have traced problem to the rfc1035/rfc1035mxlist.c:domxlistcreate()
function which in part reads:
if (seen_good & (opts & RFC1035_MX_IGNORESOFTERR))
seen_softerr=0;
/* At least some A records were probably fetched */
This statement allways fails because seen_good is either 0 or 1, and
RFC1035_MX_IGNORESOFTERR is 2. It has to be changed to
if (seen_good && (opts & RFC1035_MX_IGNORESOFTERR))
seen_softerr=0;
/* At least some A records were probably fetched */
With this change testmxlookup alltech.com produces a list of IPs of
MXes it can resolve.
--
Aidas Kasparas
IT administrator
GM Consult Group, UAB
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