> I'm having a problem with various users having repeated downloads of the > messages in their mailboxes. Most, but not all, are using Mac Mail.app, > although I'm not sure if this makes a difference. > > The problem occurs intermittently, although it does seem to appear in > clusters, i.e. multiple users will be affected at the same time. > > For some reason, the X-IMAP field (in particular the first number, the
Are you using unix format mailboxes? Changing the format might fix this problem, and will almost certainly make your server more efficient. > time stamp) is being rewritten to the current time instead of its > original value. This causes all the messages to have new UIDL values, > and so the POP client thinks that these are new messages. The field in Is POP the only method of access to these mailboxes? Are none of these Mac clients configured to use IMAP and you're not running a webmail system either (which would almost certainly use IMAP)? Maybe something else has accessed the mailbox in the middle of a user's session; are the users getting any errors about sessions disconnecting? > question is: > > X-IMAP: 1213219525 0000000002 > > Although if the data is not stored in a placeholder message, the header > is named X-IMAPbase. By "placeholder message" do you mean what is described here? http://www.washington.edu/imap/IMAP-FAQs/index.html#6.14 If so, then it is correct that this change over time. > Does anyone have any idea why that number would be changing? I'm not sure whether your real problem -- repeated downloads -- is related to the header contents you describe. You might be seeing a problem something like http://www.washington.edu/imap/IMAP-FAQs/index.html#7.13 which is why I asked before whether POP is the only way these mailboxes are being accessed. Cheers, - Joel _______________________________________________ Imap-uw mailing list [email protected] https://mailman1.u.washington.edu/mailman/listinfo/imap-uw
