Dovecot can't log in Virtual user - please help

[Aki Tuomi]

On 19.11.2019 19.21, Andrej Rehak via dovecot wrote:
> Hello
>
> Im having issues login to dovecot using imap through telnet.
>
> Im running |Linux 4.9.0-11-amd64 #1 SMP Debian 4.9.189-3+deb9u1
> (2019-09-20) x86_64 GNU/Linux|
>
> Im totally new to setting up mailservers. I havesetup a postfix for
> SMTP and it can receive emails. Postfix version is |mail_version = 3.1.12|
>
> I have also installed Dovecot version:|2.2.27 (c0f36b0)| My
> configuration is such that POSTFIX is configured to use DOVECOT SASL
> through local socket.
>
> My system is configured to store emails
> in |/var/mail/owndomain.org/<username>|. For each domain i have my own
> passwd file where dovecot is supposed to lookup usernames and
> passwords. |/var/mail/owndomain.org/passwd|.
>
> I have created |virtualuser| for accessing mails and authenticating
> users. My dovecot (dovecot -n output) configuration is:
>
> -------------------------------------------------------------
>
> # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf
> # Pigeonhole version 0.4.16 (fed8554)
> # OS: Linux 4.9.0-11-amd64 x86_64 Debian 9.11
> auth_debug = yes
> auth_mechanisms = plain login
> auth_verbose = yes
> debug_log_path = /var/log/dovecot-debug.log
> disable_plaintext_auth = no
> info_log_path = /var/log/dovecot-info.log
> listen = 192.168.2.2
> log_path = /var/log/dovecot.log
> mail_home = /var/mail/home/%d/%n
> mail_location = mbox:~/mail:INBOX=/var/spool/mail/%d/%n
> mail_privileged_group = virtualmail
> 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
> }
>

Are you using PAM intentionally? You might want to drop this along with
userdb with passwd as driver. the passwd-file one is ok. By dropping PAM
you probably get quite nice speedup, too.


But I tested your configuration locally here and it seems to work. At
least with following passwd file:


$ sudo cat /var/mail/owndomain.org/passwd
username:{PLAIN}password:::::


Aki

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