Naturally, everything works fine if I use a VPN/translocation.
On 27.02.20 21:49, Aki Tuomi wrote: > Is your server behind proxy maybe? Can you see in logs that you get > different IPs? > > Maybe check with `doveadm who` how many connections you have? > > Aki >> On 27/02/2020 22:44 Esteban L < este...@little-beak.com >> <mailto:este...@little-beak.com>> wrote: >> >> >> I have tried a lot of different things, still no success. =( >> >> here is my dove -n if anyone could help that would be great: >> >> >> # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf >> # Pigeonhole version 0.4.16 (fed8554) >> # OS: Linux 4.9.0-12-amd64 x86_64 Debian 9.12 >> auth_debug = yes >> auth_debug_passwords = yes >> auth_mechanisms = plain login >> auth_verbose = yes >> auth_verbose_passwords = yes >> mail_home = /var/mail/vmail/%d/%n >> mail_location = maildir:~/Mail >> mail_max_userip_connections = 500 >> mail_plugins = " quota" >> mail_privileged_group = vmail >> managesieve_notify_capability = mailto >> 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 >> namespace inbox { >> inbox = yes >> location = >> mailbox Archive { >> auto = subscribe >> special_use = \Archive >> } >> mailbox Drafts { >> auto = subscribe >> special_use = \Drafts >> } >> mailbox Junk { >> auto = subscribe >> special_use = \Junk >> } >> mailbox Sent { >> auto = subscribe >> special_use = \Sent >> } >> mailbox "Sent Messages" { >> special_use = \Sent >> } >> mailbox Trash { >> auto = subscribe >> special_use = \Trash >> } >> prefix = >> } >> passdb { >> args = /etc/dovecot/dovecot-sql.conf.ext >> driver = sql >> } >> plugin { >> quota = maildir:User quota >> quota_grace = 10%% >> quota_rule = *:storage=10G >> quota_rule2 = Trash:storage=+1G >> quota_status_overquota = 552 5.2.2 Mailbox is full >> quota_warning = storage=95%% quota-warning 95 %u >> quota_warning2 = storage=80%% quota-warning 80 %u >> sieve = ~/.dovecot.sieve >> sieve_after = /etc/dovecot/sieve/spamfilter.sieve >> sieve_dir = ~/sieve >> } >> protocols = " imap lmtp sieve" >> service auth { >> unix_listener /var/spool/postfix/private/auth { >> group = postfix >> mode = 0666 >> user = postfix >> } >> } >> service imap-login { >> inet_listener imaps { >> port = 993 >> ssl = yes >> } >> } >> service lmtp { >> unix_listener /var/spool/postfix/private/dovecot-lmtp { >> group = postfix >> mode = 0600 >> user = postfix >> } >> } >> ssl = required >> ssl_cert = </etc/letsencrypt/live/little-beak.com/fullchain.pem >> ssl_key = # hidden, use -P to show it >> userdb { >> args = /etc/dovecot/dovecot-sql.conf.ext >> driver = sql >> } >> protocol lmtp { >> mail_plugins = " quota sieve" >> postmaster_address = *****@little-beak.com >> <mailto:*****@little-beak.com> >> } >> protocol lda { >> mail_plugins = " quota sieve" >> } >> protocol imap { >> mail_max_userip_connections = 500 >> mail_plugins = " quota imap_quota" >> } >> protocol sieve { >> mail_max_userip_connections = 500 >> } >> >> >> On 27.02.20 18:54, Esteban L wrote: >>> I have been haunted by the following error message or months, that we >>> see using Thunderbird. >>> Unable to connect to your IMAP server. >>> You may have exceeded the maximum number of connections to this server. >>> If so, use the Advanced IMAP Server Settings dialogue to reduce the >>> number of cached connections. >>> If I change my location, via a VPN, the error message goes away and I >>> can connect. >>> I have edited my /etc/dovcot/conf.d/20-imap.conf file by adding the >>> following: >> > >>> protocol imap { >>> # Space separated list of plugins to load (default is global >>> mail_plugins). >>> mail_plugins = $mail_plugins imap_quota >>> # Maximum number of IMAP connections allowed for a user from each IP >>> address. >>> # NOTE: The username is compared case-sensitively. >>> mail_max_userip_connections = 500 >>> } >> > >>> And, I still get the error message. I know myself, I have about 8-9 >>> accounts, some with as many as 10 folders (I know each one count's as >>> it's own mailbox), as does my partner--who would access the internet >>> from my IP. >>> Does that number really have to be like 10,000, or something? If so, >>> why >>> does it start out so small in the first place. If not, what else >>> could I >>> do to avoid this message going forward?? >> > >> > >> > > > --- > Aki Tuomi