6 messages in net.sourceforge.lists.courier-users[courier-users] 417 SPF error user@co...
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Jerry AmundsonMar 30, 2006 7:40 am 
Bill TaroliMar 30, 2006 11:17 am 
Jerry AmundsonMar 30, 2006 1:11 pm 
Bill TaroliMar 30, 2006 1:51 pm 
Dave PlattMar 30, 2006 2:34 pm 
Sam VarshavchikMar 30, 2006 3:20 pm 
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Subject:[courier-users] 417 SPF error user@cogeco.ca: DNS MX lookup failed.?Actions...
From:Jerry Amundson (jer@pbs.com)
Date:Mar 30, 2006 7:40:42 am
List:net.sourceforge.lists.courier-users

Subject occurs with user trying to send to me. Line from maillog: Mar 30 09:24:46 athena courieresmtpd:
error,relay=::ffff:192.206.149.20,from=<us@cogeco.ca>: 417 SPF error
us@cogeco.ca: DNS MX lookup failed.?

Courier has set: BOFHSPFMAILFROM=pass,none,unknown,softfail,neutral

dnsstuff result: SPF lookup of sender us@cogeco.ca from IP 192.206.149.20:

SPF string used: v=spf1 ip4:216.221.81.0/24 a:smtp.cogeco.net mx:mx.cogeco.ca
?all.

Processing SPF string: v=spf1 ip4:216.221.81.0/24 a:smtp.cogeco.net
mx:mx.cogeco.ca ?all. Testing 'ip4:216.221.81.0/24' on IP=192.206.149.20, target domain
216.221.81.0/24, CIDR 24, default=PASS. No match. Testing 'a:smtp.cogeco.net' on IP=192.206.149.20, target domain smtp.cogeco.net,
CIDR 32, default=PASS. No match. Testing 'mx:mx.cogeco.ca' on IP=192.206.149.20, target domain mx.cogeco.ca, CIDR
32, default=PASS. No match. Testing 'all' on IP=192.206.149.20, target domain cogeco.ca, CIDR 32,
default=NEUTRAL. MATCH!

Result: NEUTRAL

IP does not match MX, true: # testmxlookup cogeco.ca Domain cogeco.ca: Relay: mx.cogeco.ca, Priority: 10, Address: ::ffff:216.221.81.26

... but why the delivery failure?

jerry