On 10/21/25 2:20 PM, cyrus via Info wrote:
This is the important information:
Changes since 3.12.0: (from
https://www.cyrusimap.org/dev/imap/download/release-notes/3.12/x/3.12.1.html)
STARTTLS changes
<https://www.cyrusimap.org/dev/imap/download/release-notes/3.12/x/3.12.1.html#starttls-changes>
The industry is deprecating STARTTLS (aka opportunistic TLS) in favor
of implicit TLS over a dedicated port. STARTTLS is now disabled by
default.
Installations that need to service clients that use opportunistic TLS
should enable the allowstarttls imapd.conf(5)
<https://www.cyrusimap.org/dev/imap/reference/manpages/configs/imapd.conf.html#std-cyrusman-imapd.conf-5> option
for the services that need it. For example, for a service configured
with the name imap in cyrus.conf(5)
<https://www.cyrusimap.org/dev/imap/reference/manpages/configs/cyrus.conf.html#std-cyrusman-cyrus.conf-5>,
set imap_allowstarttls: on to enable STARTTLS.
Thank you very much, it seems that I need to improve my release notes
tracking :-)
Regards,
Łukasz
------------------------------------------
Cyrus: Info
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