Repeat e-mail syndrome shows up in 2.2.26+

[The Doctor]

On Tue, Nov 01, 2016 at 02:01:28PM -0300, Juan Bernhard wrote:
> 
> El 01/11/2016 a las 01:26 p.m., The Doctor escribi?:
> > Getting complaints from people about pop/imap
> >
> > issues.
> >
> > some people are getting repaeted e-mail.
> >
> > Other are not able to delete their e-mails from an IMAP lcient.

> Did you try to delete the dovecots cache? I had the same problem once, 
> when I restored a backup of some mails. I deleted all dovecot.index* on 
> home directories of the user

Tried that no dice.

This is affecting POP3/IMAP clients such as Thunderbird, Entourage, 
Outlook, OE, and MS Live Mail.

I ran the rc1 and the problem was not there.

As soon as the release hit the problem started to crop up.

Using FreeBSD 11.0 - p2

> >
> > Current configuration
> >
> > /usr/dovecot2/sbin/dovecot -n
> > # 2.2.26.0 (23d1de6): /usr/dovecot2/etc/dovecot/dovecot.conf
> > # OS: FreeBSD 11.0-RELEASE-p2 amd64
> > base_dir = /var/run/dovecot/
> > disable_plaintext_auth = no
> > first_valid_uid = 100
> > info_log_path = /var/log/dovecot-info.log
> > listen = [::]
> > log_path = /var/log/dovecot.log
> > login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c
> > mail_debug = yes
> > mail_location = mbox:~/mail:INBOX=/var/mail/%u
> > mail_log_prefix = %Us(%u):
> > mdbox_rotate_size = 2 k
> > passdb {
> >    args = /etc/master.passwd
> >      driver = passwd-file
> >      }
> >      plugin {
> >        home = /usr/dovecot2
> >        }
> >        service auth {
> > 	executable = /usr/dovecot2/libexec/dovecot/auth
> > 	  user = root
> > 	  }
> > 	  service imap-login {
> > 	    chroot = login
> > 	      client_limit = 256
> > 		executable = /usr/dovecot2/libexec/dovecot/imap-login
> > 		  inet_listener imap {
> > 		      address = 204.209.81.1, 127.0.0.1
> > 			  port = 143
> > 			    }
> > 			      inet_listener imaps {
> > 				  address = 204.209.81.1, 127.0.0.1
> > 				      port = 993
> > 					  ssl = yes
> > 					    }
> > 					      process_limit = 128
> > 						process_min_avail = 3
> > 						  service_count = 1
> > 						    user = dovecot
> > 						    }
> > 						    service imap {
> > 						      executable = /usr/dovecot2/libexec/dovecot/imap
> > 							process_limit = 512
> > 							}
> > 							service lmtp {
> > 							  executable = lmtp -L
> > 							    inet_listener lmtp {
> > 								address = 204.209.81.1 127.0.0.1 ::1
> > 								    port = 24
> > 								      }
> > 									process_min_avail = 5
> > 									}
> > 									service pop3-login {
> > 									  chroot = login
> > 									    client_limit = 256
> > 									      executable = /usr/dovecot2/libexec/dovecot/pop3-login
> > 										inet_listener pop3 {
> > 										    address = 204.209.81.1
> > 											port = 110
> > 											  }
> > 											    inet_listener pop3s {
> > 												address = 204.209.81.1
> > 												    port = 995
> > 													ssl = yes
> > 													  }
> > 													    process_limit = 128
> > 													      process_min_avail = 3
> > 														service_count = 1
> > 														  user = dovecot
> > 														  }
> > 														  service pop3 {
> > 														    executable = /usr/dovecot2/libexec/dovecot/pop3
> > 														      process_limit = 512
> > 														      }
> > 														      ssl_cert = </usr/dovecot2/etc/dovecot/ssl/pop3.nk.ca.2016.chain.crt
> > 														      ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:aNULL
> > 														      ssl_key =  # hidden, use -P to show it
> > 														      userdb {
> > 															driver = passwd
> > 															}
> > 															userdb {
> > 															  args = /etc/passwd
> > 															    driver = passwd-file
> > 															    }
> > 															    verbose_ssl = yes
> > 															    protocol imap {
> > 															      imap_client_workarounds = delay-newmail tb-extra-mailbox-sep
> > 																imap_idle_notify_interval = 2 mins
> > 																  imap_logout_format = bytes=%i/%o
> > 																    imap_max_line_length = 64 k
> > 																      mail_max_userip_connections = 10
> > 																	mail_plugin_dir = /usr/dovecot2/lib/dovecot/imap
> > 																	  ssl_cert = </usr/dovecot2/etc/dovecot/ssl/pop3.nk.ca.2016.chain.crt
> > 																	    ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:aNULL
> > 																	      ssl_key =  # hidden, use -P to show it
> > 																		verbose_ssl = yes
> > 																		}
> > 																		protocol pop3 {
> > 																		  mail_max_userip_connections = 3
> > 																		    mail_plugins =
> > 																		      pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
> > 																			pop3_enable_last = yes
> > 																			  pop3_lock_session = yes
> > 																			    pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s
> > 																			      pop3_no_flag_updates = yes
> > 																				pop3_reuse_xuidl = yes
> > 																				  pop3_save_uidl = no
> > 																				    pop3_uidl_format = %08Xu%08Xv
> > 																				      ssl_cert = </usr/dovecot2/etc/dovecot/ssl/pop3.nk.ca.2016.chain.crt
> > 																					ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:aNULL
> > 																					  ssl_key =  # hidden, use -P to show it
> > 																					    verbose_ssl = yes
> > 																					    }
> > 																					    protocol lmtp {
> > 																					      auth_username_format = %Lu
> > 																						info_log_path = /var/log/dovecot-lmtp.log
> > 																						}
> >
> >
> > Sorry about the indents.
> >
> > Anything causing these issues?
> >

-- 
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