How to stop recurring "Welcome" email message in kmail?

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M\Josef Lowder
|MDarrin Chandler
|M\Josef Lowder
||M\Shawn Badger
|M||Darrin Chandler
||M|Dan Lund
|M||Nathan England
|M||Dan Lund
|||MJosef Lowder
||MJosef Lowder
||MFoulDragon@aol.com
|MJosef Lowder
MKevinO