Can't send out emails due to message rejected code AUP#SNDR
Can't send out emails due to message rejected code AUP#SNDR. I can receive emails but can't send out.
Can't send out emails due to message rejected code AUP#SNDR. I can receive emails but can't send out.
Wšě wotmołwy (3)
Your emails are apparently violating the receiver's sender use policy. For example, you may be sending attachments that are considered insecure.
I did not send out any attachments with the emails being rejected... any other solutions...
Are your messages rejected by every email provider, or just specific ones? That may help in figuring out where to search.