Answer by Jayce Yang for Spammers can send me mail from my own email address...
Did these emails have any thing in common, such as same subject? If yes, you could set transport rule to block such message. Please check if your Exchange servers are an open relay. There is a very...
View ArticleAnswer by hda for Spammers can send me mail from my own email address with a...
It's normal. That's how electronic mail was designed. From can be anything but the Envelope From (never shown in Header) must match the SPF-Records.
View ArticleSpammers can send me mail from my own email address with a different IP
I have checked everything and, normally, my server blocks all spam messages, but not this one. It does not originate from our servers but they get relayed to our company with our username. It looks...
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