mail location change generates various errors

Steffen Kaiser skdovecot at smail.inf.fh-brs.de
Fri Nov 7 07:16:07 UTC 2014


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On Fri, 7 Nov 2014, Cliff Hayes wrote:

> I have a sendmail/dovecot imap/pop3 system that has been running with the 
> following mail_location:
>
> mail_location = 
> mbox:/var/empty:INBOX=/var/spool/mail/%u:INDEX=/var/indexes/%u
>
> In order to reduce errors and simplify operation I removed imap and am now 
> only responding to pop3.  I'd like to also simplify the mail_location to get 
> rid of index errors since I don't need indexes:
>
> mail_location = mbox:/var/spool/mail:INBOX=/var/spool/mail/%n

http://wiki2.dovecot.org/MailLocation#Index_files
see :INDEX=MEMORY.

> Nov  6 23:17:24 sendmail dovecot: pop3(chayes): Warning: UIDVALIDITY changed 
> (1132434125 -> 1205169149) in mbox file /var/spool/mail/chayes

UIDVALIDITY is kept in index files by default, because you've the changed 
index files, the UIDVALIDITY changed.

>
> Nov  6 23:17:26 sendmail dovecot: pop3(chayes): Panic: Message unexpectedly 
> expunged from index
>
> Nov  6 23:17:26 sendmail dovecot: pop3(chayes): Error: Raw backtrace: 
> /usr/lib64/dovecot/libdovecot.so.0() [0x3340045e2a] -> 
> /usr/lib64/dovecot/libdovecot.so.0() [0x3340045e6e] -> 
> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x3340019eb3] -> 
> /usr/lib64/dovecot/libdovecot-storage.so.0() [0x3ef62567ed] -> 
> /usr/lib64/dovecot/libdovecot-storage.so.0() [0x3ef6256e75] -> 
> /usr/lib64/dovecot/libdovecot-storage.so.0() [0x3ef62928ed] -> 
> /usr/lib64/dovecot/libdovecot-storage.so.0(index_mail_set_seq+0x76) 
> [0x3ef6294ae6] -> /usr/lib64/dovecot/libdovecot-storage.so.0() [0x3ef625698c] 
> -> dovecot/pop3() [0x405ec7] -> dovecot/pop3(client_command_execute+0x6d7) 
> [0x4071c7] -> dovecot/pop3(client_handle_input+0x78) [0x405618] -> 
> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x36) [0x3340052c36] -> 
> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0xa7) [0x3340053a57] 
> -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x28) [0x3340052778] -> 
> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x13) [0x334003e3c3] -> 
> dovecot/pop3(main+0x283) [0x403cc3] -> 
> /lib64/libc.so.6(__libc_start_main+0xf5) [0x359f821a05] -> dovecot/pop3() 
> [0x403e2d]

> Nov  6 23:17:26 sendmail dovecot: pop3(chayes): Fatal: master: service(pop3): 
> child 3358 killed with signal 6 (core dumps disabled)

That's a bug.

> Nov  6 23:18:00 sendmail dovecot: pop3(jbkirk): Error: 
> open(/var/spool/mail/.imap/INBOX/dovecot.index.log) failed: Permission denied 
> (euid=2151(jbkirk) egid=12(mail) missing +r perm: 
> /var/spool/mail/.imap/INBOX/dovecot.index.log, dir owned by 3575:12 
> mode=0770)

Index files are not disabled.

> dovecot -n output
>
> # 2.1.16: /etc/dovecot/dovecot.conf
> # OS: Linux 3.9.2-200.fc18.x86_64 x86_64 Fedora release 18 (Spherical Cow) 
> ext4
> auth_mechanisms = plain login
> auth_verbose = yes
> auth_verbose_passwords = plain
> disable_plaintext_auth = no
> mail_location = 
> mbox:/var/empty:INBOX=/var/spool/mail/%u:INDEX=/var/indexes/%u
> mbox_write_locks = fcntl
> 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 {
>  driver = pam
> }
> protocols = pop3
> ssl = no
> ssl_cert = </etc/pki/dovecot/certs/dovecot.pem
> ssl_key = </etc/pki/dovecot/private/dovecot.pem
> userdb {
>  driver = passwd
> }
>
> What do I need to do to transition to the new mail_location without the 
> errors?
>
> Thanks in advance.
>

- -- 
Steffen Kaiser
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