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Why would Google need to base their spam detection on IP alone? If they see low "mark as spam" ratios for my mails, why would they care if they come through th
by TekMol 4y ago
Why would Google need to base their spam detection on IP alone?
If they see low "mark as spam" ratios for my mails, why would they care if they come through the same IP as spam from compromised wordpress instances?
- Nextgrid 4y agoIn general, even DKIM and a clean domain isn't a safe indicator of non-spamminess. It doesn't take much effort nor cost for a spammer to get a new domain, set up DKIM/etc correctly and then start spamming, and those emails would appear as "clean" as yours do. Therefore they use extra heuristics including the source IP ranges. Plus in your case your current mail tester result suggests you don't even have DKIM set up, so as of right now there's literally no way for a recipient server to tell your email apart from a spammer impersonating you. (to be clear I'm not defending the practice, just explaining my understanding of the current situation)
- TekMol 4y agoyou don't even have DKIM set up, so as of right now there's literally no way for a recipient server to tell your email apart from a spammer impersonating you. Coudln't they do that via SPF?
- Nextgrid 4y agoSPF is less of a guarantee - if your SPF policy whitelists a shared email server then anyone using that can still impersonate you. DKIM is a stronger guarantee as it requires having access to a signing key.