It is possible the mail is being forwarded to this provider. Are you seeing the full headers?
--Joe
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From: LISTSERV list owners' forum [[log in to unmask]] on behalf of Eric Johnson [[log in to unmask]]
Sent: Wednesday, February 23, 2011 11:25 AM
To: [log in to unmask]
Subject: Re: What does this mean?
We have no accounts at this provider.
Eric Johnson