<div dir="ltr"><div>Hi,</div><div><br></div><div>I am getting the following error while authenticating any user, using SASL with postfix, please help me to fix this issue.</div><div><br></div><div><br></div><div>May 08 17:34:50 master: Info: Dovecot v2.2.36.4 (baf9232c1) starting up for imap, pop3, lmtp, sieve (core dumps disabled)<br>May 08 17:35:10 master: Error: service(auth): command startup failed, throttling for 2 secs<br>May 08 17:35:10 auth: Fatal: master: service(auth): child 6969 killed with signal 11 (core dumps disabled)<br></div><div><br></div><div><br></div><div><b>Dovecot Configuration Output</b></div><div>root@mail:/usr/local/dovecot/etc/dovecot/conf.d# /usr/local/dovecot/sbin/dovecot -n<br># 2.2.36.4 (baf9232c1): /usr/local/dovecot/etc/dovecot/dovecot.conf<br># Pigeonhole version 0.4.24.2 (aaba65b7)<br># OS: Linux 4.19.0-16-amd64 x86_64 Debian 10.9<br># Hostname: <a href="http://mail.example.com">mail.example.com</a><br>auth_default_realm = <a href="http://example.com">example.com</a><br>auth_mechanisms = plain login<br>base_dir = /usr/local/dovecot/var/run/dovecot/<br>default_client_limit = 5000<br>default_process_limit = 500<br>default_vsz_limit = 512 M<br>first_valid_uid = 1001<br>last_valid_uid = 1001<br>listen = 127.0.0.1<br>lmtp_save_to_detail_mailbox = yes<br>log_path = /var/log/imap<br>login_greeting = Messaging Server<br>mail_gid = 1001<br>mail_location = maildir:/%Lh/Maildir/:INDEX=/%Lh/Maildir/<br>mail_plugins = quota acl fts fts_lucene<br>mail_uid = 1001<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 vacation-seconds imapflags notify<br>namespace inbox {<br> inbox = yes<br> location =<br> mailbox Archive {<br>  auto = subscribe<br>  special_use = \Archive<br> }<br> mailbox "Deleted Items" {<br>  special_use = \Trash<br> }<br> mailbox Drafts {<br>  auto = subscribe<br>  special_use = \Drafts<br> }<br> mailbox Junk {<br>  auto = subscribe<br>  special_use = \Junk<br> }<br> mailbox "Junk E-mail" {<br>  special_use = \Junk<br> }<br> mailbox Sent {<br>  auto = subscribe<br>  special_use = \Sent<br> }<br> mailbox "Sent Items" {<br>  special_use = \Sent<br> }<br> mailbox Trash {<br>  auto = subscribe<br>  special_use = \Trash<br> }<br> prefix =<br> separator = .<br> type = private<br>}<br>passdb {<br> args = /usr/local/dovecot/etc/dovecot/dovecot-ldap.conf.ext<br> driver = ldap<br>}<br>plugin {<br> acl = vfile:/usr/local/dovecot/dovecot-acl/acl<br> acl_shared_dict = file:/maildir/domains/dovecot/shared-mailboxes/shared-mailboxes.db<br> fts = lucene<br> fts_autoindex = yes<br> fts_lucene = whitespace_chars=@.<br> fts_tika = <a href="http://localhost:9997/tika/">http://localhost:9997/tika/</a><br> quota = maildir:User quota<br> quota_rule = *:storage=1G<br> quota_warning = storage=85%% quota-warning 85 %u<br> quota_warning2 = storage=90%% quota-warning 90 %u<br> quota_warning3 = storage=95%% quota-warning 95 %u<br> sieve = ~/.dovecot.sieve<br> sieve_after = /usr/local/dovecot/sieve/default.sieve<br> sieve_before = ~/sieve/01_vacation.sieve<br> sieve_dir = ~/sieve<br> sieve_extensions = +notify +imapflags +vacation +vacation-seconds<br> sieve_global_dir = /usr/local/dovecot/sieve/<br> sieve_quota_max_scripts = 5<br> sieve_vacation_send_from_recipient = yes<br> sieve_vacation_use_original_recipient = yes<br>}<br>pop3_client_workarounds = outlook-no-nuls oe-ns-eoh<br>protocols = imap pop3 lmtp sieve<br>service auth {<br> unix_listener /var/spool/postfix/private/auth {<br>  group = postfix<br>  mode = 0660<br>  user = postfix<br> }<br> unix_listener auth-userdb {<br>  group = vmail<br>  mode = 0666<br>  user = vmail<br> }<br>}<br>service imap-login {<br> inet_listener imap {<br>  port = 143<br> }<br> inet_listener imaps {<br>  address = *<br>  port = 993<br>  ssl = yes<br> }<br>}<br>service imap-postlogin {<br> executable = script-login /usr/local/dovecot/bin/postlogin.sh<br> user = root<br>}<br>service imap {<br> executable = /usr/local/dovecot/libexec/dovecot/imap imap-postlogin<br>}<br>service lmtp {<br> executable = lmtp -L<br> inet_listener lmtp {<br>  address = 127.0.0.1 ::1<br>  port = 7025<br> }<br> process_min_avail = 5<br> unix_listener /var/spool/postfix/private/dovecot-lmtp {<br>  group = postfix<br>  mode = 0600<br>  user = postfix<br> }<br> user = vmail<br>}<br>service managesieve-login {<br> inet_listener sieve-obsolete {<br>  port = 2000<br> }<br>}<br>service pop3-login {<br> inet_listener pop3 {<br>  port = 110<br> }<br> inet_listener pop3s {<br>  address = *<br>  port = 995<br>  ssl = yes<br> }<br>}<br>service quota-warning {<br> executable = script /usr/local/dovecot/bin/quota-warning.sh<br> unix_listener quota-warning {<br>  group = vmail<br>  mode = 0660<br>  user = vmail<br> }<br>}<br>service stats {<br> unix_listener stats-reader {<br>  group = vmail<br>  mode = 0660<br>  user = vmail<br> }<br> unix_listener stats-writer {<br>  group = vmail<br>  mode = 0660<br>  user = vmail<br> }<br>}<br>ssl = required<br>ssl_ca = </etc/ssl/localcerts/intermediate.crt<br>ssl_cert = </etc/ssl/localcerts/mail.crt<br>ssl_key =  # hidden, use -P to show it<br>submission_host = 127.0.0.1<br>userdb {<br> args = /usr/local/dovecot/etc/dovecot/dovecot-ldap.conf.ext<br> driver = ldap<br>}<br>protocol lmtp {<br> mail_plugins = quota acl fts fts_lucene sieve<br>}<br>protocol sieve {<br> managesieve_logout_format = bytes ( in=%i : out=%o )<br>}<br>protocol lda {<br> info_log_path = /var/log/dovecot-lda.log<br> log_path = /var/log/dovecot-lda-errors.log<br> mail_plugins = quota acl fts fts_lucene sieve virtual<br>}<br>protocol imap {<br> mail_max_userip_connections = 50<br> mail_plugins = quota acl fts fts_lucene imap_quota  imap_acl<br>}<br></div><div><br></div><div>Thanks, Regards </div><br><div><br></div></div>