IMAP-before-SMTP is possible when using Courier-IMAP v3.x. However it only
works when configured "--with-authvchkpw --without-authdaemon". When running
--without-authdaemon, Courier-IMAP's authvchkpw code is able to make use of
vpopmail's roaming user functions to allow IMAP-before-SMTP functionality.
IMAP-before-SMTP is not possible when Courier-IMAP has been complied
--with-authdaemon, because in this mode the user's IP address is not made
available to the authvchkpw code (via the TCPREMOTEIP env var). Also note that
in Courier-IMAP v4.x and later, --without-authdaemon functionality is no longer
available thus preventing IMAP-before-SMTP from working.
Michael.
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- [vchkpw] Roaming user problem with Courier-imap Bulent
- Re: [vchkpw] Roaming user problem with Courier-imap Michael Bowe