Re: Why does OBO appear in posts?
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Ken,
I believe it¡¯s not so much what Outlook requires, as it is what theFor DMARC-related issues this is correct. Sending services can publish (via the DNS system) policy guidance that receiving services may use whenever they receive a message that has that sender's domain in the From information, yet was delivered to the receiver by some other service (such as a mailing list). When Groups.io receives an inbound group posting it checks the published policy of the sender, and if it is "quarantine" or "reject" Groups.io rewrites the From address so that it has groups.io as the domain, in place of the sender domain. That helps to ensure that receiving members' services deliver the message to Inboxes, rather than Spam or rejecting (bouncing) them. That's because messages that are delivered by a server owned by the domain given in the From address are, generally speaking, regarded as less "spammy" than messages that are delivered by an unrelated server. That said, Outlook and some other services have their own issues with receiving messages that have traveled through mailing lists, especially messages from their own domain. A message claiming to be from their domain that arrives from an external source (e.g. a mailing list) is automatically suspect in their eyes. I used to use totally POP email on Outlook with my AOL addresses, ...If you are talking about messages you send I think the switch from POP to IMAP was coincidental. Those protocols are only used when you fetch messages from your email service; when you post you're using SMTP in either case. If you're talking about how you see messages you receive from the group, that's sounds odd but I suppose not impossible. I would expect your receiving service to apply the OBO rewriting regardless of whether you view the message through their web interface, a POP client, or an IMAP client. Unless it is your client software doing the OBO rewrite. I suppose that too is possible. Shal -- Help: /static/help More Help: /g/GroupManagersForum/wiki Even More Help: Search button at the top of Messages list |
Shal Farley