User ManualEmail Discussion Group User Guide FAQ'SWhat is causing the "on behalf of" text in the From header

What is causing the "on behalf of" text in the From header

Some email clients, notably Outlook and Gmail, will change the From: header of the email messages from our mailing lists.

The phrase - on behalf of the sender is added.

This is to provide another clue of where the email really came from, so the receipent can be alert to fraudulent emails.

The email was not sent from the normal machine that sends out their emails.

Our mailing list keeps the From header of the person who sent the email to the mailing list

Our mailing list keeps the From header of the person who sent the email to the mailing list

However, the message itself is sent from our machines to all members of the mailing list.

Those email clients are altering the From: header to include the mailing list that sent the message

In this case, youremailgroup@mail-list.com

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