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From the gmail bulk senders guidelines, "We also recommend publishing an SPF record and signing with DKIM. We do not authenticate DKIM using less than a 1024-bi
by tjtrapp 13y ago
From the gmail bulk senders guidelines, "We also recommend publishing an SPF record and signing with DKIM. We do not authenticate DKIM using less than a 1024-bit key. By authenticating, inline images you send will be shown automatically. Recipients will not need to click the "Display images below" link."
https://support.google.com/mail/answer/81126?topic=12838 https://support.google.com/mail/answer/81126?topic=12838
ok, so no opt-in... =)
- eli 13y agoHuh, interesting. I'm not sure that page is accurate. In my personal account I've never noticed that behavior -- even on messages I send which have a valid SPF + DKIM and a 1024 bit key.