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How to prevent Outlook from receiving multiple copies of the same email

How to prevent Outlook from receiving multiple copies of the same email

This question might be asked already, but it's different from this one.

Asked by: Guest | Views: 87
Total answers/comments: 1
Guest [Entry]

"I assume you also have a webmail version, if not try to see if the problem occurs in Thunderbird as well (or any other email client).

That way we can determine more precisely where the problem might be.

Based on the fact the problem doesn't occur when he's on your corperate network leads me to believe it's not what ChrisF suggested, since than he should also receive duplicates when at work.

He should also try to sent himself a test message when inside and outside the network by using Outlook's test mail in the account settings. If even his own emails are duplicated, then it must be what ChrisF suggests in his update. The server doesn't get notified that Outlook received the message.

This website describes the problem your most likely seeing. Though I dislike his suggestion of pulling down the email and removing it from the server, since that would screw you up if you ever loose the local copy..."