Question

Can't send out emails due to message rejected code AUP#SNDR

5 months ago

11/27/23, 12:15 AM

Can't send out emails due to message rejected code AUP#SNDR. I can receive emails but can't send out.

Answer 1 · 2023-11-27 00:15:15

11/27/23, 1:22 AM

Your emails are apparently violating the receiver's sender use policy. For example, you may be sending attachments that are considered insecure.

Answer 2 · 2023-11-27 00:15:15

11/27/23, 1:25 AM

I did not send out any attachments with the emails being rejected... any other solutions...

Answer 3 · 2023-11-27 00:15:15

11/27/23, 1:51 AM

Are your messages rejected by every email provider, or just specific ones? That may help in figuring out where to search.