Our “reply by email address” is “forum-replies+%{reply_key}@example.com”. Recently, we’ve started receiving spam with the from address set to “ forum-replies@example.com ”. When this happens, Discourse is sends a “Rejection Mail” to its own “reply by email address” (well, without the reply key part of…

The To address is “ forum-replies@example.com ”. I made a pull request for this https://github.com/discourse/discourse/pull/5843

Hmm, any thoughts in your mind grapes about this one @mpalmer ?

What’s the To address on these e-mails? If Discourse is rejecting them, then it’s presumably an invalid recipient, in which case the fast-rejection code might need to be tweaked a little to catch whatever it is you’re seeing. That’ll stop Discourse sending a rejection back to itself, because it’ll…

The pull request was merged by @zogstrip :tada: . Hopefully that fixes it; I’ll continue to monitor it.

Spam with from address set to reply by email address

Product Support

ryantm (Ryan Mulligan) May 23, 2018, 8:36pm 5

The pull request was merged by @zogstrip . Hopefully that fixes it; I’ll continue to monitor it.

Topic		Replies	Views
Started getting 'Unknown To: Address" failures Product Support	10	2423	February 7, 2018
Setting to suppress or redirect RejectionMailer replies Feature	0	599	September 24, 2015
Issue configuring reply by email: 553 5.7.1 Sender address rejected: not owned by user Product Support	6	12902	June 13, 2019
Reply key / email address check not working? (replies by email) Product Support	16	1996	November 14, 2019
Better handling of email rejection Feature	16	2575	May 1, 2021

Spam with from address set to reply by email address

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