<html><head></head><body><div style="font-family: 'Calibri', 'Calibri'; font-size: 11pt; color: rgba(0, 0, 0, 1.0);"><div>2G fails.<br/><br/>This must be some change in MacOS 12 (Monterey). I have been running Dovecot for 10 years on MacOS with the same config, and only after upgrading to 12.0 did this issue surface.<br/><br/>> On Nov 1, 2021, at 8:47 AM, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:<br/>> <br/>> Ok... so for some reason the default_vsz_limit is too low for MacOS.<br/>> <br/>> Can you try<br/>> <br/>> default_vsz_limit = 2G?<br/>> <br/>> We don't recommend setting it to 0.<br/>> <br/>> Aki<br/>> <br/>>> On 01/11/2021 14:45 Don Feliciano <don.feliciano@icloud.com> wrote:<br/>>> <br/>>> <br/>>> Different:<br/>>> <br/>>> Nov 01 08:44:36 master: Error: service(imap-login): command startup failed, throttling for 8.000 secs<br/>>> Nov 01 08:44:36 imap-login: Fatal: master: service(imap-login): child 17371 returned error 89 (Fatal failure)<br/>>> <br/>>> <br/>>>> On Nov 1,
2021, at 8:42 AM, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:<br/>>>> <br/>>>> <br/>>>> Do you get exactly same error message with that config or something else?<br/>>>> <br/>>>> Aki<br/>>>> <br/>>>> <br/>>>>> On 01/11/2021 14:39 Don Feliciano <don.feliciano@icloud.com> wrote:<br/>>>>> <br/>>>>> <br/>>>>> I just tried that solution, but it doesn't work. Only default_vsz_limit = 0 seems to work.<br/>>>>> <br/>>>>> <br/>>>>>> On Nov 1, 2021, at 2:38 AM, Aki Tuomi wrote:<br/>>>>>> <br/>>>>>> Hi!<br/>>>>>> <br/>>>>>> That solution is bit overly broad way to solve this, I would instead recommend<br/>>>>>> <br/>>>>>> service log {<br/>>>>>> vsz_limit = 0<br/>>>>>> }<br/>>>>>> <br/>>>>>> so that only service log is affected.<br/>>>>>> <br/>>>>>> Aki<br/>>>>>> <br/>>>>>> <br/>>>>>>> On 31/10/2021 20:36 Don Feliciano wrote:<br/>>>>>>> <br/>>>>>>> <br/>>>>>>> <br/>>>>>>> A kind person who isn’t on the mailing list share the solution to this with me:<br/>>>>>>> <br/>>>>>>> default_vsz_limi
t = 0<br/>>>>>>> <br/>>>>>>> <br/>>>>>>> <br/>>>>>>>> On Oct 28, 2021, at 12:12 PM, Don Feliciano wrote:<br/>>>>>>>> <br/>>>>>>>> Same issue in 2.3.17<br/>>>>>>>> <br/>>>>>>>> dovecot-2.3.17.tar.gz:<br/>>>>>>>> ./configure --prefix=/usr/local/Cellar/dovecot/ 2.3.17 --libexecdir=/usr/local/Cellar/dovecot/2.3.17/libexec --sysconfdir=/usr/local/etc --localstatedir=/usr<br/>>>>>>>> make install<br/>>>>>>>> <br/>>>>>>>> dovecot-2.3-pigeonhole-0.5.17.tar.gz:<br/>>>>>>>> ./configure --with-dovecot=/usr/local/Cellar/dovecot/2.3.17/lib/dovecot --prefix=/usr/local/Cellar/dovecot/2.3.17<br/>>>>>>>> make<br/>>>>>>>> make install<br/>>>>>>>> <br/>>>>>>>> sudo /usr/local/opt/dovecot/sbin/dovecot -F<br/>>>>>>>> Warning: fd limit (ulimit -n) is lower than required under max. load (256 < 1000), because of default_client_limit<br/>>>>>>>> Oct 28 12:08:48 service(log): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument<br/>>>>>>>> <br/>>>>>>>> <br/>>>>>>>> <br/>>>>>>>>> On Oct 27, 2021, at 11:
08 AM, Don Feliciano wrote:<br/>>>>>>>>> <br/>>>>>>>>> <br/>>>>>>>>> I've been happily running Dovecot on my Mac for many years (installed via Homebrew). After upgrading to Monterey (MacOS 12.01), it no longer starts:<br/>>>>>>>>> <br/>>>>>>>>> $ sw_vers<br/>>>>>>>>> ProductName: macOS<br/>>>>>>>>> ProductVersion: 12.0.1<br/>>>>>>>>> BuildVersion: 21A559<br/>>>>>>>>> <br/>>>>>>>>> $ uname -a<br/>>>>>>>>> Darwin dfelicia-mac 21.1.0 Darwin Kernel Version 21.1.0: Wed Oct 13 17:33:23 PDT 2021; root:xnu-8019.41.5~1/RELEASE_X86_64 x86_64<br/>>>>>>>>> <br/>>>>>>>>> $ sudo dovecot -F<br/>>>>>>>>> Oct 27 10:11:18 service(log): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument<br/>>>>>>>>> <br/>>>>>>>>> $ mount<br/>>>>>>>>> /dev/disk1s2s1 on / (apfs, sealed, local, read-only, journaled)<br/>>>>>>>>> devfs on /dev (devfs, local, nobrowse)<br/>>>>>>>>> /dev/disk1s5 on /System/Volumes/VM (apfs, local, noexec, journaled, noatime, nobrowse)<br/>>>>>>>>> /dev/disk1s3 on /System/Volumes/Pre
boot (apfs, local, journaled, nobrowse)<br/>>>>>>>>> /dev/disk1s6 on /System/Volumes/Update (apfs, local, jour naled, nobrowse)<br/>>>>>>>>> /dev/disk1s1 on /System/Volumes/Data (apfs, local, journaled, nobrowse)<br/>>>>>>>>> <br/>>>>>>>>> $ sudo dovecot -n<br/>>>>>>>>> # 2.3.16 (7e2e900c1a): /usr/local/etc/dovecot/dovecot.conf<br/>>>>>>>>> # Pigeonhole version 0.5.16 (09c29328)<br/>>>>>>>>> # OS: Darw in 21.1.0 x86_64 apfs<br/>>>>>>>>> # Hostname: dfelicia-mac<br/>>>>>>>>> default_internal_group = mail<br/>>>>>>>>> default_internal_user = _dovecot<br/>>>>>>>>> default_login_user = _dovenull<br/>>>>>>>>> first_valid_uid = 100<br/>>>>>>>>> listen = 127.0.0.1<br/>>>>>>>>> log_path = /var/log/dovecot.log<br/>>>>>>>>> mail_location = maildir:/usr/local/var/mail/%u<br/>>>>>>>>> managesieve_notify_capability = mailto<br/>>>>>>>>> managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include
variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext<br/>>>>>>>>> namespace inbox {<br/>>>>>>>>> inbox = yes<br/>>>>>>>>> location =<br/>>>>>>>>> mailbox Drafts {<br/>>>>>>>>> special_use = \Drafts<br/>>>>>>>>> }<br/>>>>>>>>> mailbox Junk {<br/>>>>>>>>> special _use = \Junk<br/>>>>>>>>> }<br/>>>>>>>>> mailbox Sent {<br/>>>>>>>>> special_use = \Sent<br/>>>>>>>>> }<br/>>>>>>>>> mailbox "Sent Messages" {<br/>>>>>>>>> special_use = \Sent<br/>>>>>>>>> }<br/>>>>>>>>> mailbox Trash {<br/>>>>>>>>> special_use = \Trash<br/>>>>>>>>> }<br/>>>>>>>>> prefix =<br/>>>>>>>>> }<br/>>>>>>>>> passdb {<br/>>>>>>>>> args = login<br/>>>>>>>>> driver = pam<br/>>>>>>>>> }<br/>>>>>>>>> protocols = imap<br/>>>>>>>>> service imap-login {<br/>>>>>>>>> inet_listener imap {<br/>>>>>>>>> address = 127.0.0.1<br/>>>>>>>>> port = 143<br/>>>>>>>>> }<br/>>>>>>>>> inet_listener imaps {<br/>>>>>>>>> address = 127.0.0.1<br/>>>>>>>>> ssl = no<br/>>>>>>>>> }<br/>>>>>>>>> }<br
/>>>>>>>>> ssl = no<br/>>>>>>>>> userdb {<br/>>>>>>>>> driver = passwd<br/>>>>>>>>> }<br/>>>>>>>>> <br/>>>>>>>>> $ ulimit -Ha<br/>>>>>>>>> core file size (blocks, -c) unlimited<br/>>>>>>>>> data seg size (kbytes, -d) unlimited<br/>>>>>>>>> file size (blocks, -f) unlimited<br/>>>>>>>>> max locked memory (kbytes, -l) unlimited<br/>>>>>>>>> max memory size (kbytes, -m) unlimited<br/>>>>>>>>> open files (-n) unlimited<br/>>>>>>>>> pipe size (512 bytes, -p) 1<br/>>>>>>>>> stack size (kbytes, -s) 65532<br/>>>>>>>>> cpu time (seconds, -t) unlimited<br/>>>>>>>>> max user processes (-u) 2784<br/>>>>>>>>> virtual memory (kbytes, -v) unlimited<br/>>> </div></div></body></html>