On 15/01/2024 21:13, Joe Acquisto wrote:
A small SOHO system, of installed perhaps a year. Seems to be working and
wished to add pigeonhole/sieve.
Per Pigeonhole/sieve troubleshooting in the docs, set on mail_debug = yes and
this is what I see, upon launching Thunderbird as the client. Thought that
"unknown user" and "permission denied" deserved attention before any other
steps.
Just the dialog for one user is pasted below.
pid 475 is dovecot,vmail for dovecot imapd
This is what I see for /proc/self/io
blah # ll /proc/self/io
-r-------- 1 root root 0 Jan 15 15:10 /proc/self/io
Jan 15 14:53:35 auth-worker(22903): Info: conn unix:auth-worker
(pid=22897,uid=475): auth-worker<1>: pam
(m...@here.com,192.168.11.166,<RbZgXgEPUKbAqAum>): unknown user
Jan 15 14:53:35 auth-worker(22901): Info: conn unix:auth-worker
(pid=22897,uid=475): auth-worker<4>: passwd
(m...@here.com,192.168.11.166,<RbZgXgEPUKbAqAum>): unknown user
Jan 15 14:53:35 imap-login: Info: Login: user=<m...@here.com>, method=PLAIN,
rip=192.168.11.166, lip=192.168.0.225, mpid=22907, session=<RbZgXgEPUKbAqAum>
Jan 15 14:53:35 imap(m...@here.com)<22907><RbZgXgEPUKbAqAum>: Debug: Effective
uid=100, gid=1000, home=/home/vmail/m...@here.com
Jan 15 14:53:35 imap(m...@here.com)<22907><RbZgXgEPUKbAqAum>: Debug: open(/proc/
self/io) failed: Permission denied
Jan 15 14:53:35 imap(m...@here.com)<22907><RbZgXgEPUKbAqAum>: Debug: Namespace
inbox: type=private, prefix=, sep=, inbox=yes, hidden=no, list=yes,
subscriptions=yes location=maildir:~/
Maildir
Jan 15 14:53:35 imap(m...@here.com)<22907><RbZgXgEPUKbAqAum>: Debug: maildir++:
root=/home/vmail/m...@here.com/Maildir, index=, indexpvt=, control=,
inbox=/home/
vmail/joea@j4com
puters.com/Maildir, alt=
Jan 15 14:53:35 auth-worker(22904): Info: conn unix:auth-worker
(pid=22897,uid=475): auth-worker<1>: pam
(m...@here.com,192.168.11.166,<d7VgXgEPTqbAqAum>): unknown user
Jan 15 14:53:35 auth-worker(22901): Info: conn unix:auth-worker
(pid=22897,uid=475): auth-worker<5>: passwd
(m...@here.com,192.168.11.166,<d7VgXgEPTqbAqAum>): unknown user
Jan 15 14:53:35 imap-login: Info: Login: user=<m...@here.com>, method=PLAIN,
rip=192.168.11.166, lip=192.168.0.225, mpid=22908, session=<d7VgXgEPTqbAqAum>
Jan 15 14:53:35 imap(m...@here.com)<22908><d7VgXgEPTqbAqAum>: Debug: Effective
uid=100, gid=1000, home=/home/vmail/m...@here.com
Jan 15 14:53:35 imap(m...@here.com)<22908><d7VgXgEPTqbAqAum>: Debug: open(/proc/
self/io) failed: Permission denied
Jan 15 14:53:35 imap(m...@here.com)<22908><d7VgXgEPTqbAqAum>: Debug: Namespace
inbox: type=private, prefix=, sep=, inbox=yes, hidden=no, list=yes,
subscriptions=yes location=maildir:~/
Maildir
Jan 15 14:53:35 imap(m...@here.com)<22908><d7VgXgEPTqbAqAum>: Debug: maildir++:
root=/home/vmail/m...@here.com/Maildir, index=, indexpvt=, control=,
inbox=/home/
vmail/joea@j4com
puters.com/Maildir, alt=
Jan 15 14:53:36 imap(j...@acquisto-us.com)<22906><fwJdXgEPQKbAqAum>: Debug:
Mailbox INBOX: Mailbox opened
Jan 15 14:53:36 imap(m...@here.com)<22907><RbZgXgEPUKbAqAum>: Debug: Mailbox
INBOX: Mailbox opened
Jan 15 14:53:37 imap(j...@acquisto-us.com)<22906><fwJdXgEPQKbAqAum>: Debug:
Mailbox INBOX: UID 13710: Opened mail because: prefetch
Hi Joe
it looks like two different issues. The unknown user issue doesn't seem
related to you having activated debugging, as far as I can see. Also you
should check if that username is expected to exist or not. If the
username does not exist, then the message is correct and you should
investigate your client sending that request.
The permission denied is a consequence of imap running as dovecot user
without access to that file which requires root user permission. I would
not change the user though. Ideally a fix should be done to avoid this
message, but I believe it is harmless, particuarly if you don't have any
other issues.
I don't normally run debug mode, but when I have done so, I have seen
that too.
best regards
John
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