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Thanks Aki for the answer. <br>
<br>
<span id="result_box" class="short_text" lang="en"><span class="">I
did some tests</span></span> and found a solution. I write down
my experience <span id="result_box" class="short_text" lang="en"><span
class="">It could be useful to someone.<br>
<br>
</span></span><span id="result_box" class="short_text" lang="en"><span
class="">First I putted "passwd-file" passdb (only) before
"pam" passdb, as Aki suggested,</span></span><br>
<span id="result_box" class="short_text" lang="en"><span class="">but
"illegal seek error" persisted.<br>
<br>
</span></span>Then I putted both "<span id="result_box"
class="short_text" lang="en"><span class="">passwd-file</span></span>"
passdb and "static" userdb before "pam" passdb and "passwd" userdb
(used for local user),<br>
but that generated a strange behavior because "static" driver
overrides info also for local user.<br>
<br>
Finally I putted both "<span id="result_box" class="short_text"
lang="en"><span class="">passwd-file</span></span>" passdb and "<span
id="result_box" class="short_text" lang="en"><span class="">passwd-file"</span></span>
userdb before "pam" and "passwd"<br>
and that works without errors.<br>
<br>
My working dovecot config:<br>
<br>
host-prompt# dovecot -n<br>
# 2.1.7: /etc/dovecot/dovecot.conf<br>
# OS: Linux 3.2.0-5-686-pae i686 Debian 7.11 <br>
auth_mechanisms = plain login<br>
auth_username_format = %Ln<br>
listen = *<br>
log_timestamp = "%Y-%m-%d %H:%M:%S "<br>
login_greeting = Server ready.<br>
mail_full_filesystem_access = yes<br>
mail_location = mbox:~/:INBOX=/var/mail/%u:INDEX=/var/index/%u<br>
mail_privileged_group = mail<br>
passdb {<br>
args = scheme=MD5-CRYPT username_format=%n /etc/dovecot/users<br>
driver = passwd-file<br>
}<br>
passdb {<br>
driver = pam<br>
}<br>
protocols = " imap"<br>
service auth {<br>
unix_listener /var/spool/postfix/private/auth {<br>
group = postfix<br>
mode = 0660<br>
user = postfix<br>
}<br>
user = root<br>
}<br>
service imap-login {<br>
inet_listener imap {<br>
port = 0<br>
}<br>
}<br>
ssl_cert = </etc/ssl/certs/chained-cert-9599-ml.mat.unical.it.pem<br>
ssl_key = </etc/ssl/private/csrkey-ml.mat.unical.it.pem<br>
userdb {<br>
args = username_format=%n /etc/dovecot/users<br>
default_fields = mail=maildir:/var/vmail/%d/%n/Maildir/<br>
driver = passwd-file<br>
override_fields = uid=vmail gid=vmail home=/var/vmail/%d/%n<br>
}<br>
userdb {<br>
driver = passwd<br>
}<br>
verbose_proctitle = yes<br>
<br>
<br>
host-prompt# cat /etc/dovecot/users <br>
claudio.panetta:{MD5-CRYPT}$1$abcdefghijklmnopqrst:5000:5000::/var/vmail::<br>
ciccio.pasticcio:{MD5-CRYPT}$1$abcdefghijklmnopqrst:5000:5000::/var/vmail::<br>
<br>
<span id="result_box" class="short_text" lang="en"><span class="">At
first I preferred </span></span><span id="result_box"
class="short_text" lang="en"><span class=""><span id="result_box"
class="short_text" lang="en"><span class="">(making a mistake)
</span></span>static driver versus passwd-file </span></span><span
id="result_box" class="short_text" lang="en"><span class=""></span></span><br>
<span id="result_box" class="short_text" lang="en"><span class=""></span></span><span
id="result_box" class="short_text" lang="en"><span class="">to
avoid writing uid,gid,home for each user, but in the end, with
passwd-file and</span></span><br>
<span id="result_box" class="short_text" lang="en"><span class="">override_fields
i got the desired scenario.<br>
<br>
Regards,<br>
Claudio<br>
</span></span><span id="result_box" class="short_text" lang="en"><span
class=""></span></span>
<p><span id="result_box" class="short_text" lang="en"><span class=""><br>
</span></span></p>
<div class="moz-cite-prefix">Il 30/03/18 14:27, Aki Tuomi ha
scritto:<br>
</div>
<blockquote type="cite"
cite="mid:609674583.2284.1522412873682@appsuite-dev.open-xchange.com">
<pre wrap="">
</pre>
<blockquote type="cite">
<pre wrap="">On 30 March 2018 at 15:11 panetta <a class="moz-txt-link-rfc2396E" href="mailto:panetta@mat.unical.it"><panetta@mat.unical.it></a> wrote:
Hi,
I recently configured dovecot to manage auth
for both local and virtual user.
When i login as a virtual user (claudio.panetta) I get the following
message:
dovecot: auth: Error:
passwd(claudio.panetta,160.97.62.1,<WLjlnZ9oRACgYT4B>): getpwnam()
failed: Illegal seek
but login is ok and sending/receiving email is ok,
how can, if possible, I suppress this error message?
In the following my dovecot config:
host-prompt# dovecot -n
# 2.1.7: /etc/dovecot/dovecot.conf
# OS: Linux 3.2.0-5-686-pae i686 Debian 7.11
auth_mechanisms = plain login
auth_username_format = %Ln
listen = *
log_timestamp = "%Y-%m-%d %H:%M:%S "
login_greeting = Server ready.
mail_full_filesystem_access = yes
mail_location = mbox:~/:INBOX=/var/mail/%u:INDEX=/var/index/%u
mail_privileged_group = mail
passdb {
driver = pam
}
passdb {
args = scheme=MD5-CRYPT username_format=%n /etc/dovecot/users
driver = passwd-file
}
protocols = " imap"
service auth {
unix_listener /var/spool/postfix/private/auth {
group = postfix
mode = 0660
user = postfix
}
user = root
}
service imap-login {
inet_listener imap {
port = 0
}
}
ssl_cert = </etc/ssl/certs/chained-cert-9599-ml.mat.unical.it.pem
ssl_key = </etc/ssl/private/csrkey-ml.mat.unical.it.pem
userdb {
driver = passwd
}
userdb {
args = username_format=%n /etc/dovecot/users uid=vmail gid=vmail
home=/var/vmail/%d/%n mail=maildir:/var/vmail/%d/%n/Maildir
driver = static
}
verbose_proctitle = yes
host-prompt# cat /etc/dovecot/users
claudio.panetta:{MD5-CRYPT}$1$abcdefghijklmnopqrst
ciccio.pasticcio:{MD5-CRYPT}$1$abcdefghijklmnopqrst
Regards,
Claudio
</pre>
</blockquote>
<pre wrap="">
Hi! Put the file based passdb before the pam one. Also not sure what you are trying to do with the static userdb. It looks like you wanted to use passwd-file?
Aki
</pre>
</blockquote>
<br>
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