I think not... MailHost sending duplicate emails is almost always as a result of a (ZODB) conflict error encountered during normal processing. When a conflict error happens under normal Zope operations, the request that "loses" retries. Because the mail send is not transactional and doesn't happen as the result of a successful transaction, the mail is sent once during the original request and again during the retried request. This is actually something of an implementation flaw in MailHost that may people have encountered. There are a few proposals on the table that would make this a nonissue but as far as I know nobody has signed up to actually fix the issue. For more info about conflict errors, read http://www.zope.org/Documentation/ZDG/Persistence.stx . HTH, - C On Fri, 2002-05-17 at 16:35, eric.n.dunn@bankofamerica.com wrote:

Does anyone know if the MailHost on Zope 2.3.3 needs the HotFix http://www.zope.org/Members/regebro/mailhostfix

My MailHost on Zope 2.3.3 is sending duplicate emails Packing the 1.3G DB to 229MB did not work (prevent impatient users on slow ZServer)

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