I've been getting complaints from users about unsolicited and fraudulent emails showing up in their inboxes. I've already checked my DMARC and SPF settings, and they seem fine. However, I left the quarantine setting as 'none'. Can anyone suggest other areas I should investigate to tackle this spam issue? I appreciate your help!
1 Answer
What email system are you using? Also, do you have any third-party spam filtering services? Many times, users are able to whitelist senders without needing admin approval, which could be a problem if they’re letting spam through. It might help to provide more information for better advice.
I'm using M365. I’m not sure about third-party services. How can I find that out?