Hello,
Looking at the SEARCH=INTHREAD extension, Dovecot implements it but the
server doesn't announce the extension in its capabilities (at least
testing with imap://dovecot.org or looking at
https://github.com/dovecot/core/blob/169b1ff42a28cdf2768391d20e8fef13aeae54fb/configure.ac#L783
)
It does work though:
a UID SEARCH INTHREAD REFS HEADER subject "Re: bash script"
* SEARCH 106075 106076 106084
a OK Search completed (1.047 + 0.000 + 1.046 secs).
I'd have thought that announcing THREAD=REFS would imply
SEARCH=INTHREAD, but testing with Fastmail only the former is implemented.
Looks like a bug in Dovecot as the client can't discover the
SEARCH=INTHREAD capability.
Cheers.
--
kael
