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MatthewMoran's avatar
MatthewMoran
Copper Contributor
Apr 19, 2021

Gmail Sent Through Outlook Client Goes to Spam

My client has a Google Workspaces domain. Some of their users send mail via Gmail online. Others use the Outlook application (NOT OUTLOOK.COM). 

 

Recently, any messages sent from the Outlook Application go to the recipient's spam/junk folder.

 

We are using the gmail smtp settings in Outlook. It is the latest version of Outlook 365. This happens whether this is Outlook for PC or for Mac. 

 

IMPORTANT: If we send the same message from gmail (mail.google.com) instead of from the Outlook application/client, the message is NOT marked spam.

 

This seems to be something that Outlook adds to the headers of the message. To date, we've unable to find a fix. Getting rid of Outlook for some users isn't really an option.

 

Any assistance would be greatly appreciated.

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