New player in the DMARC space
Over on the DMARC-Discuss list, Comcast announced they had turned on DMARC validation and companies that publish DMARC records should start receiving reports from Comcast.
Related Posts
Gmail sending out warnings for 512 bit DKIM keys
- laura
- Nov 9, 2012
As an update to yesterday’s post, Gmail is contacting postmasters at domains signing with 512 bit keys to warn them of the upcoming changes. This message also clarifies “DKIM keys failing.” Messages signed with 512 bit keys or less will be treated as unsigned by Gmail in the next week or so.
Read MoreIs Google failing DKIM keys shorter than 512 bits?
- laura
- Nov 8, 2012
Today’s Wednesday question comes from Andrew B. and got pushed to Thursday so I could check a few more facts.
Read MoreHotmail moves to SPF authentication
- laura
- Dec 7, 2012
Hotmail has recently stopped using Sender ID for email authentication and switched to authenticating with SPF. The protocol differences between SenderID and SPF were subtle and most senders who were getting a pass at Hotmail were already publishing SPF records.
From an email in my inbox from September: