KB - My users seem to receive spam from themselves. How do I stop that?

My users seem to receive spam from themselves. How do I stop that?

Article was last updated on July 3, 2019. View products that this article applies to.
Read our article for possible solutions: How to blacklist self-spam?

Applies To

The article above is not specific to any ORF versions.

hnp1 | hnp2