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What is up with hotmail and SPF ?

Printed From: LogSat Software
Category: Spam Filter ISP
Forum Name: Spam Filter ISP Support
Forum Description: General support for Spam Filter ISP
URL: https://www.logsat.com/spamfilter/forums/forum_posts.asp?TID=4884
Printed Date: 03 June 2025 at 7:01am


Topic: What is up with hotmail and SPF ?
Posted By: Lee
Subject: What is up with hotmail and SPF ?
Date Posted: 28 December 2004 at 8:54pm

Can anyone explain what is going on with Hotmail and their SPF records ?

I always get Soft failures from them.

found SPF record: v=spf1 include:spf-a.hotmail.com include:spf-b.hotmail.com include:spf-c.hotmail.com include:spf-d.hotmail.com ~all
12/28/04 20:09:34:143 -- (273) found SPF record: v=spf1 ip4:209.240.192.0/19 ip4:65.52.0.0/14 ip4:131.107.0.0/16 ip4:157.54.0.0/15 ip4:157.56.0.0/14 ip4:157.60.0.0/16 ip4:167.220.0.0/16 ip4:204.79.135.0/24 ip4:204.79.188.0/24 ip4:204.79.252.0/24 ip4:207.46.0.0/16 ip4:199.2.137.0/24 ~all
12/28/04 20:09:34:143 -- (273) SPF query result:
12/28/04 20:09:34:143 -- (273) - SPF analysis for spf-a.hotmail.com done: - softfail


Replies:
Posted By: LogSat
Date Posted: 28 December 2004 at 11:06pm
Lee,

I recommend going to the SPF website at http://spf.pobox.com" CLASS="ASPForums" TITLE="WARNING: URL created by poster. - http://spf.pobox.com for more accurate info. That said, the "softfail" is a switch (the ~ in front of the last ~all) that tells anti-spam software how the host (hotmail) would like emails that fail the filter to be handled. Softfail means that hotmail would like such emails to be "flagged" as spam, but would prefer to have them delivered. This is supposed to be used during a rollout phase of SPF.

Roberto F. LogSat Software


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