Gmail / Apps authentication issues

I’ve seen several reports of unexpected rejections for unauthenticated email to Google over IPv6 today. Unauthenticated mail over IPv6 is a bad idea, but Google usually spam folders it rather than rejecting it.
The Gmail status dashboard is reporting an issue “Some messages sent to consumer Gmail accounts are being rejected due to authentication enforcement” so something isn’t working as intended.

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Time for Email Innovations!

After a great experience in Atlanta last week, with the Salesforce and Mailchimp folks, I’m heading off again today. This time it’s Las Vegas for the Email Innovations conference hosted by the Only Influencers group.
My talk is coming together nicely. It’s been a bit of a challenge to try and give enough detail to make sense while not overwhelming with technobabble. There were times when I was all

Thankfully I have some great folks around who talked me down and reminded me that there wasn’t a test and I could gloss over some of the details and still make sense. If you want a preview of part of my talk, check out my blogpost from last week at Only Influencers. Understanding the technical: authentication.
Hope to see you there! My talk is in the Education track after lunch on Thursday.

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Gmail sending out warnings for 512 bit DKIM keys

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.

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Gmail and the via

I was hoping to have a detailed post up today about the conditions where gmail presents the user with a “via” but time seems to have gotten away from me. But I can give you the conclusions.

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