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namtuk Newbie
Joined: 18 December 2006 Location: France
Online Status: Offline Posts: 35
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Posted: 05 September 2007 at 7:29am | IP Logged
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I'm using the POP3 object to get mail from server and i would like to know how and who generate the MessageId ?
is it your object POP3 or is it the mail server ?
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Evgenw717 Newbie
Joined: 03 September 2007
Online Status: Offline Posts: 1
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Posted: 05 September 2007 at 7:39am | IP Logged
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Message-ID is usually generated by mail the client which composed the message. If it didn't, the mail server may do this then (although some servers do not do this and thus it's possible Message-ID will be missing). You should not rely on Message-IDs to identify messages. Also, if the same message was sent twice, both copies may have the same Message-IDs.
To uniquely identify a message in the mailbox, it's better to use Unique-IDs. They are always generated by the mail server and always unique (as their name states).
Regards,
Alex
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