service(imap-login): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument macOS

[James Brown]

I fixed the issue with Dovecot not starting on macOS Ventura by adding this to 10-master.conf:

service log {
  vsz_limit = 0
}

But now when I try to login via Imap on port 143 I get the same error for imap-login:

Feb 20 15:55:41 imap-login: Error: Feb 20 15:55:41 service(imap-login): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
Feb 20 15:55:41 imap-login: Fatal: master: service(imap-login): child 11781 returned error 89 (Fatal failure)
Feb 20 15:55:41 master: Error: service(imap-login): command startup failed, throttling for 60.000 secs
Feb 20 16:13:04 imap-login: Error: Feb 20 16:13:04 service(imap-login): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
Feb 20 16:13:04 imap-login: Fatal: master: service(imap-login): child 20370 returned error 89 (Fatal failure)
Feb 20 16:13:04 master: Error: service(imap-login): command startup failed, throttling for 60.000 secs

Config:

sudo /usr/local/sbin/dovecot -n
# 2.3.20 (80a5ac675d): /usr/local/etc/dovecot/dovecot.conf
# OS: Darwin 22.3.0 arm64  apfs
# Hostname: mail-server-mac-studio.local
auth_mechanisms = plain login
auth_verbose = yes
auth_verbose_passwords = yes
default_internal_group = mail
default_internal_user = _dovecot
default_login_user = _dovenull
first_valid_gid = 0
first_valid_uid = 102
last_valid_gid = 501
last_valid_uid = 105
log_path = /var/log/dovecot.log
mail_gid = 102
mail_location = maildir:/usr/local/virtual/%d/%u
mail_uid = 102
namespace inbox {
  inbox = yes
  location = 
  mailbox Drafts {
    special_use = \Drafts
  }
  mailbox Junk {
    special_use = \Junk
  }
  mailbox Sent {
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Trash {
    special_use = \Trash
  }
  prefix = 
}
passdb {
  args = /usr/local/etc/dovecot/dovecot-sql.conf.ext
  driver = sql
}
protocols = imap pop3
service auth {
  unix_listener /var/spool/postfix/private/auth {
    group = _postfix
    mode = 0660
    user = _postfix
  }
  unix_listener auth-userdb {
    mode = 0660
    user = _vmail
  }
}
service imap-login {
  vsz_limit = 0
}
service log {
  vsz_limit = 0
}
ssl_cert = </etc/letsencrypt/live/mail.bordo.com.au/fullchain.pem
ssl_dh = # hidden, use -P to show it
ssl_key = # hidden, use -P to show it
userdb {
  driver = prefetch
}
userdb {
  args = /usr/local/etc/dovecot/dovecot-sql.conf.ext
  driver = sql
}
protocol imap {
  mail_max_userip_connections = 40
}

Quitting Dovecot and restarting and I now get:

Feb 20 17:01:11 master: Info: Dovecot v2.3.20 (80a5ac675d) starting up for imap, pop3 (core dumps disabled)
Feb 20 17:01:11 master: Error: service(anvil): command startup failed, throttling for 2.000 secs

Then trying to connect on port 143 log says:

Feb 20 17:20:08 master: Error: service(config): command startup failed, throttling for 2.000 secs
Feb 20 17:20:08 config: Error: Feb 20 17:20:08 service(config): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
Feb 20 17:20:08 anvil: Fatal: master: service(anvil): child 43250 returned error 89 (Fatal failure)
Feb 20 17:20:08 config: Fatal: master: service(config): child 52530 returned error 89 (Fatal failure)
Feb 20 17:20:08 stats: Fatal: master: service(stats): child 52531 returned error 89 (Fatal failure)
Feb 20 17:20:08 stats: Error: Feb 20 17:20:08 service(stats): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
Feb 20 17:20:08 master: Error: service(stats): command startup failed, throttling for 2.000 secs
Feb 20 17:20:10 config: Error: Feb 20 17:20:10 service(config): Fatal: setrlimit(RLIMIT_DATA, 268435456): Invalid argument
Feb 20 17:20:10 config: Fatal: master: service(config): child 52532 returned error 89 (Fatal failure)
Feb 20 17:20:10 master: Error: service(config): command startup failed, throttling for 4.000 secs
Feb 20 17:20:10 imap-login: Fatal: Error reading configuration: read(/usr/local/var/run/dovecot/config) failed: EOF - Also failed to read config by executing doveconf: /usr/local/var/run/dovecot/config is a UNIX socket (path is from CONFIG_FILE environment)
Feb 20 17:20:10 master: Error: service(imap-login): command startup failed, throttling for 2.000 secs

Any suggestions? This is really driving me crazy!

thanks, James.
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