Hi, recently I have migrated our prevoius dovecot-lda to 2.2 with director + lmtp. And we are having some issues. When lmtp delivers to ldap uid names everything works except sieve vacation (login is not found in headers so reply is not sent). When using full email addresses in rcpt to vacation works but usernames are inconsistent (one user can login using his email address, or aliases, or uid). To fix that in ldap settings a have added uid=user which should be setting the username to approperate values. Most of the times it works but some deliveries are using email addresses not ldap uid's which seems to break dict quota's. It's must be related to auth cache (flushing the cache fixes the issue temporarly for given account). I think that the cache can be "polluted" by some other dovecot service. Does anyone have an idea where this can be comming from ? doveadm auth lookup -f user mon at test.com returns expected ldap uid no email address Thanks in advance for any help. Michal Grzedzicki from dovecot-ldap.conf.ext from backends user_attrs = uid=user, mailMessageStore=home, mailQuotaSize=quota_rule=*:bytes=%$ user_filter = (&(&(!(accountStatus=deleted))(objectClass=qMailUser))(|(mail=%u)(uid=%u)(mailAlternateAddress=%u))) pass_attrs = uid=user,userPassword=password pass_filter = (&(objectClass=qMailUser)(|(mail=%u)(uid=%u)(mailAlternateAddress=%u))) iterate_attrs = uid=user iterate_filter = (&(&(objectClass=qmailUser)(!(accountStatus=deleted)))) director is doing the authorization and passing it to the backend using a master user protocol lmtp { passdb { args = proxy=y nopassword=y port=24 } } backend doveconf -n # 2.2.15: /etc/dovecot/dovecot.conf # OS: Linux 3.2.0-4-amd64 x86_64 Debian 7.7 auth_cache_negative_ttl = 5 mins auth_cache_size = 10 M auth_cache_ttl = 5 mins auth_debug = yes auth_master_user_separator = * auth_mechanisms = plain login auth_username_format = %u auth_verbose = yes base_dir = /var/run/dovecot/ deliver_log_format = msgid=%m f:%f s:%s %$ disable_plaintext_auth = no first_valid_gid = 300 first_valid_uid = 300 import_environment = TZ last_valid_gid = 300 last_valid_uid = 300 lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes lda_original_recipient_header = Delivered-To login_greeting = Imap ready. mail_debug = yes mail_gid = 300 mail_location = maildir:~/Maildir:INDEX=/var/dovecot_indexes%h mail_plugins = quota expire notify mail_log mail_uid = 300 maildir_very_dirty_syncs = yes 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 ihave duplicate namespace inbox { inbox = yes location mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox SPAM { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix } passdb { args = /etc/dovecot/master-users driver = passwd-file master = yes pass = yes } passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } plugin { expire = SPAM expire_dict = redis:host=127.0.0.1:prefix=expire/ mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid from subject size quota = dict:User quota::redis:host=127.0.0.1:prefix=user/ quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve_global_dir = /etc/sieve_global sieve_max_redirects = 20 } postmaster_address = postmaster at iq.pl protocols = imap pop3 lmtp sieve recipient_delimiter service auth { unix_listener auth-userdb { mode = 0777 } } service dict { unix_listener dict { group = vmail user = vmail } } service doveadm { inet_listener { port = 2424 } } service imap-login { process_min_avail = 8 service_count = 0 } service imap { process_limit = 14000 } service lmtp { inet_listener lmtp { address = dovecot1 port = 24 } process_min_avail = 5 user = vmail } service managesieve-login { inet_listener sieve { address = 0.0.0.0 port = 4090 } protocol = sieve } service pop3-login { process_min_avail = 8 service_count = 0 } service pop3 { process_limit = 10000 } service quota-warning { executable = script /usr/local/bin/quota_warning.sh unix_listener quota-warning { user = vmail } user = vmail } ssl = no syslog_facility = local2 userdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } verbose_proctitle = yes protocol lmtp { auth_username_format = %u info_log_path = /var/log/dovecot-lmtp mail_plugins = quota expire notify mail_log sieve syslog_facility = local3 } protocol lda { mail_plugins = quota expire notify mail_log sieve syslog_facility = local3 } protocol imap { mail_max_userip_connections = 30 mail_plugins = quota expire notify mail_log imap_quota }