dovecot

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December 2014

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Unable to see virtual users
by Randall Gellens 01 Dec '14

01 Dec '14

I have a new Dovecot v2.2.9 installation and am having trouble getting virtual users recognized. Also, the example configuration listed on the Wiki generates config errors. Note that I haven't tried running dovecot yet, I wanted to verify that the config looked good first. First, my configuration. I'm trying to use /etc/dovecot/users as my combined userdb and passdb file, with all users having a UID/GID of vmail, and a home directory of /local/mnt/home/<user> ---------- $ sudo doveconf -n # 2.2.9: /etc/dovecot/dovecot.conf # OS: Linux 3.13.0-39-generic x86_64 Ubuntu 14.04.1 LTS ext4 auth_verbose = yes log_timestamp = "%Y-%m-%d %H:%M:%S " mail_location = mdbox:/local/mnt/mail/%n 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 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 { args = username_format=%n /etc/dovecot/users driver = passwd-file } passdb { driver = pam } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } postmaster_address = randy(a)qti.qualcomm.com protocols = " imap sieve pop3" ssl_cert = </etc/dovecot/dovecot.pem ssl_key = </etc/dovecot/private/dovecot.pem userdb { args = username_format=%n /etc/dovecot/users default_fields = uid=vmail gid=vmail home=/local/mnt/home/%n driver = passwd-file } userdb { driver = passwd } ---------- Next, my /etc/dovecot/users file: $ cat /etc/dovecot/users fred:x test:{SSHA}amehbJZYxKWuIbywINVNWxKcPrWi27a+ poptest2:x poptest3:x ---------- If I ask dovecot what it knows about user 'test' it says the user doesn't exist: $ sudo doveadm user test field valueuserdb lookup: user test doesn't exist ---------- If I ask about a user in /etc/passwd, it finds it: $ sudo doveadm user nobody field value uid 65534 gid 65534 home /nonexistent mail mdbox:/local/mnt/mail/nobody system_groups_user nobody ---------- As an aside, when I copied the sample config entries from http://wiki2.dovecot.org/UserDatabase it got config errors: userdb { driver = passwd-file args = username_format=%n /etc/dovecot/users default_fields = uid=vmail gid=vmail override_fields = skip = never result_failure = continue result_internalfail = continue result_success = return-ok } The 'skip', 'result_failure', etc. entries all generated config errors as being unknown. Since these were just explicitly setting config variables to their default values, I deleted them. It does seem odd that the config sample from the Wiki generated errors though. -- Randall Gellens Opinions are personal; facts are suspect; I speak for myself only -------------- Randomly selected tag: --------------- The difference between stupidity and genius is that genius has its limits. --Albert Einstein

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