We are looking to migrate from a 2.3.7 server to a 2.4.18 server. I was hoping to set up the cyrus murder/aggregator and move the existing server behind that. While doing some reading and research, I came across the following mailing list thread. I was wondering if it's still the case that the frontend needs to be the same version as the older backend? https://lists.andrew.cmu.edu/pipermail/info-cyrus/2010-May/033061.html Aside from the compatibility between frontend and backend, there was also a comment about having to recompile the sieve filters per the other post below. Is that still the case moving from 2.3.7 to 2.4.18? Are there any other gotchas to look out for? https://lists.andrew.cmu.edu/pipermail/info-cyrus/2010-May/033056.html Thanks in advance, Pat ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus