Gmail – Why are emails from a Google Group getting automatically deleted by Gmail

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I subscribe to emails from a Google Group. I noticed the other day that I felt like I hadn't gotten any emails about it in a while, so I went onto googlegroups.com and saw that there were many new threads in the group. I went back to my Gmail and searched for the [XYZ] that prefixes every subject line from this group, and lo and behold, there they all were in the trash.

I can now see the emails come in to Airmail and sit in the inbox for a few seconds before the Gmailbot gets a hold on them and deletes them.

I have no filters set up for these emails, and no filters at all with instructions to delete anything. The messages are not being marked as spam; they're simply getting dumped directly into the trash.

Why does Gmail trash these messages automatically?

Best Answer

Unroll.me was the culprit.

I must have inadvertently told Unroll.me to unsubscribe from emails for that particular google group. Turns out that Unroll.me's action on "unsubscribe" is "mark as read and unceremoniously dump in trash". That's very much a wanted behavior, but a confusing one if you goof up. I found it by cmd+F searching in my unsubscribed emails.

Certain clients were fast enough to download the message before Unroll.me got it in its clutches; others did not refresh frequently enough to catch them. That's the source of the weird behavior where messages sat in my inbox for a second and then disappeared to the trash.

Case closed!