2RFC 7208, "Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1", April 2014
3Source of RFC: spfbis (app)
4See Also: RFC 7208 w/ inline errata
9Publication Format(s) : TEXT
10Reported By: Ale Vesely
11Date Reported: 2021-10-25
12Verifier Name: Murray Kucherawy
13Date Verified: 2021-11-09
17 550 5.7.1 SPF MAIL FROM check failed:
18 550 5.7.1 The domain example.com explains:
19 550 5.7.1 Please see http://www.example.com/mailpolicy.html
23 550-5.7.1 SPF MAIL FROM check failed:
24 550-5.7.1 The domain example.com explains:
25 550 5.7.1 Please see http://www.example.com/mailpolicy.html
30In addition, RFC 7208 does not give an example of rejection based on the HELO argument.