Mails received only with an acknowledgement of receipt (Exchange 2007)

Posted on 2009-02-18
Last Modified: 2012-05-06
(Sorry for my bad english, i'm not from the country ;) )

I've got a problem with my mail server. The mails send by outlook are received (on the outside) only when you add an acknowledgement of receipt.
I tried to send a mail to gmail and hotmail without an acknowledgement of receipt and no mails are received. But with one, the mails are received immediately.
The mails received in the compagny are ok, i can send mails without an acknowledgement of receipt on the inside.

Any idea of the problem ?

Question by:Tchougui
    LVL 4

    Expert Comment

    If you are on about the receipts you get when sending mails out, they are dependant upon what settings are applied on their end.  Within an Exchange environment, receipts auto send if switched on, Webmail apps like Gmail etc, do not send these receipts.

    Author Comment

    Yeah, the receipts is not sent, but the mail yes. However without the acknowlegment of receipt the mail is not receipt at all.
    Its a recent problem, from 2 days ago.

    Accepted Solution

    I found the probleme. McAfee was blocking my mails since i installed SP1 for exchange.
    I did an update and the mails are delivered fine.

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