I’m trying to use https://emailit.com/ on a forum that’s been up for 7 years or so (currently using mailgun). Email It is refusing to send because 530 From header does not match MAIL FROM address When I look at the email source on messages sent through Mailgun, I see that there is a "Sender: " li…

[圖片] Richard - Communiteq: I think (!) you should make sure that notification_email and DISCOURSE_SMTP_USER_NAME are the same for emailit. Discourse sets the envelope-from to the reply-by-email address.

The Sender: is something different. The error you’re getting indicates a discrepancy between the “envelope” (RFC821 From address) and the “From:” header (RFC822) I suspect that emailit (or maybe Discourse, we’ve been rolling our own mail servers for too long) is setting the envelope sender to the e…

Thanks very much! [圖片] Richard - Communiteq: The Sender: is something different. The error you’re getting indicates a discrepancy between the “envelope” (RFC821 From address) and the “From:” header (RFC822) I was afraid of that. I’m much less familiar with RFC822 than I was 30 years ago. I k…

[圖片] Michael Brown: Discourse sets the envelope-from to the reply-by-email address. EVEN IF reply-by-email is disabled! :person_shrugging: :crying_cat_face: I saw that something was there (it didn’t seem like it matched what I was seeing?), but thought since reply-by-email was disabled it wo…

[圖片] Jay Pfaffman: but thought since reply-by-email was disabled it wouldn’t matter The reply-by-email address is critical for bounce detection on outgoing emails :+1:

发件人邮箱与通知邮箱不匹配，我无法理解原因

支持

pfaffman (Jay Pfaffman) 2025年二月5日 20:40 5

即使禁用了 reply-by-email！

我看到那里有些东西（似乎与我看到的不符？），但认为既然禁用了 reply-by-email，那应该没关系。

我的天。太感谢你了！

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发件人邮箱与通知邮箱不匹配，我无法理解原因

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