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Copper Contributor

May 11, 2023

Hybrid Exchange server changing "Return path" & "Mail from" attributes

We are using Exchange 2013 as our hybrid Exchange server. Yes, I know Exchange 2013 went EOL about a month ago. Management chose to delay migration until after another project was completed. Our buil...

Deleted

May 16, 2023

Hi Jim_Mueller

to solve phishing issue try to enable enhanced filtering

https://learn.microsoft.com/en-us/exchange/mail-flow-best-practices/use-connectors-to-configure-mail-flow/enhanced-filtering-for-connectors

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razu_sultan

Copper Contributor

Jun 07, 2023

I this the cause of this issue is the Symantec for spam filtering is changing the message header.

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Hybrid Exchange server changing "Return path" & "Mail from" attributes

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