The other part here is whether this mechanism is used to distribute spam through zendesk in which case they need to filter for that or at least avoid quoting the original text in their auto reply.
Oh yes, and additionally look for and suppress mail to list and auto responder related headers. --srs ________________________________ From: mailop <[email protected]> on behalf of Bastian Blank via mailop <[email protected]> Sent: Tuesday, January 20, 2026 4:47:18 PM To: [email protected] <[email protected]> Subject: Re: [mailop] Spam influx coming through spoofed Zendesk tickets On Tue, Jan 20, 2026 at 09:33:39AM +0000, Paul Smith* via mailop wrote: > If that's what's happening to you, it's not really a problem with ZenDesk > (or the other support desks), but with Google Groups for allowing > unconfirmed email addresses to be added to Groups Actually it is a problem with ZenDesk. This is what "Auto-Submitted: auto-replied" is for and Google Groups seem to properly use that to not distribute such automatic replies. Those clearly should go to single people anyway. Bastian -- Spock: We suffered 23 casualties in that attack, Captain. _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
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