[courier-users] DNS MX lookup failed

Aug 3 09:52:15 poczta courieresmtpd:
error,relay=::ffff:193.41.230.201,from=<mBIZNES_de bet@mBank.pl>: 417 SPF
error mBIZNES_debet@mBank.pl: DNS MX lookup failed.?

Is any way to remove such errors?

This machine has no problem to see MX:

poczta:~# host -t mx mbank.pl
mbank.pl mail is handled by 0 mail.bremultibank.com.pl.
mbank.pl mail is handled by 10 mx.bremultibank.com.pl.

I have found one entry in Google about one registar, but without details.

--
Grzegorz Janoszka


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