DMARC + SPF settings #spam #settings #howto
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Kalee,
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We are about to launch our first Groups.io community with a custom domain Custom domains are an Enterprise level feature. I'm not too sure how many Enterprise level users are in GMF, but hopefully one or more will chime in. Alas, I don't have an Enterprise group so I can't give you any specifics. Have a look at the help page, if you haven't already: we discovered that all messages sent to our group aliases are going to spam in Outlook ?
Outlook has been problematic for some even without the additional complication of a custom domain. It seems to particularly not like having incoming messages that claim to be From the addressee's own domain. Mark ([email protected]) has a fix for that, but you may need to ask him to put the affected member' domains on the list.
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Our IT team will happily adjust our domain settings to authorize messages from Groups.io, but we don't know what we need to add or modify in the SPF and DMARC settings and can't find any instructions on this forum or elsewhere on the web.? ?
I'm not entirely sure (I'm not a mail admin) but I think the help page instructions may address SPF ("DNS settings"). I think the idea is to add Groups.io's outbound servers to your SPF list of allowed senders.
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DMARC will only matter if your domain also is a mailbox provider (users send email with your domain in the header From field). In that case you likely do not want to set the reject policy for your messages - that tells receiving services to reject your user's messages if they have been passed through a traditional email service. If you do set p=reject in DMARC, then Groups.io will automatically mung (modify) the From address of your users.
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Shal
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Shal Farley