The mail/isync port

isync-1.5.0 – synchronize IMAP4 and maildir mailboxes (cvsweb github mirror)

Description

isync is a command line application which synchronizes a local
maildir-style mailbox with a remote IMAP4 mailbox.  It is suitable for
use in IMAP-disconnected mode.  Multiple copies of the remote IMAP4
mailbox can be maintained, and all flags are synchronized.

WWW: https://isync.sourceforge.net/

Readme

+-------------------------------------------------------------------------------
| Running ${PKGSTEM} on OpenBSD
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Using XOAUTH2
=============

If you need to use the `XOAUTH2` authentication mechanism, then you will need
to install the cyrus-sasl-xoauth2 package:

# pkg_add cyrus-sasl-xoauth2

Failure to do so gives a cryptic error message like:

  IMAP error: selected SASL mechanism(s) not available;
     selected: XOAUTH2
     available: SCRAM-SHA-512 SCRAM-SHA-384...