Default 'extra info' email content triggering gmail spam detection

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Originally Posted by neekfenwick

(I also took out the disclaimer and footer content as that didn't seem useful for our staff, though now I think about it perhaps it should stay in because when staff Reply to the email, that content is no longer included in the content they receive...)

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We've opted to remove those disclaimers in the default install of Zen Cart starting with v1.5.7, as they can sometimes trigger false-positives for spam flags.

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Originally Posted by DrByte

We've opted to remove those disclaimers in the default install of Zen Cart starting with v1.5.7, as they can sometimes trigger false-positives for spam flags.

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That's interesting. I put the disclaimer and footer back in, so the only thing missing was the IP/Hostname content, and things seemed fine. Then I set up a DMARC TXT record in our DNS (https://mxtoolbox.com/DMARCRecordGenerator.aspx seems to generate the record well) and put the IP/Hostname back in, things seemed fine. Then I took the DMARC record _out_, and things still seemed fine! Not sure if there was some latency/caching issues in various parts of the system that made my changes not take immediate effect (DNS records had TTL=300 but still, there are plenty of other places latency can have effect, such as some hidden scoring mechanism inside google's spam detection).

This is a busy production server that I can't really mess much with, but I'm left wondering if google had a temporary tightening of their spam detected which they have now relaxed (perhaps due to lots of complaints, I've no idea).

So perhaps this whole problem has just "gone away" but you never know, it may hit someone else at some time so I hope the thread proves useful to someone, somewhere :smile:

I'm glad you found a combination of things that's working well now.

As with all things "google", keep an eye out for sudden unannounced unexplained un-repented-for changes. :)

LOL it's normally us who have to repent to and propitiate Google. :)