Hacker News
- That awkward moment when Gmail thought I was spamming myself http://www.brokenbitstream.com/gmail-spf-policy 2 comments
Linked pages
- Email sender guidelines - Gmail Help https://support.google.com/mail/answer/81126 70 comments
- MultiRBL.valli.org - Blacklist, Whitelist and FCrDNS check tool http://multirbl.valli.org/ 59 comments
- Mail in 2012 from an admin's perspective - Phusion Blog http://blog.phusion.nl/2012/09/10/mail-in-2012-from-an-admins-perspective 22 comments
- DomainKeys Identified Mail - Wikipedia https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail 6 comments
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