Hi again, Mystery solved. According to /var/log/maillog, it was because the system only had 3% storage left.
Yours sincerely, Xianwen On 10/18/19, Xianwen Chen (陈贤文) <[email protected]> wrote: > Hi, > > I was able to sendmail correctly until a couple of hours ago. > > In the past couple of hours, I was installing and setting up mu4e. > > mu / mu4e is set to read directly ~/Maildir. > > I did not change any setting in /etc but did manually edit /etc/passwd. > > Here is the setting of /etc/mail/smtpd.conf: > > table aliases file:/etc/mail/aliases > > # To accept external mail, replace with: listen on all > # > listen on lo0 > > #action "local" mbox alias <aliases> > action "local" maildir alias <aliases> > action "relay" relay > > # Uncomment the following to accept external mail for domain "example.org" > # > # match from any for domain "example.org" action "local" > match for local action "local" > match for any action "relay" > > ---------------------------------------------------------- > > Here is the ownership and privileges of folders within ~/Maildir: > >> ls -alh /home/c/Maildir/ > total 124 > drwx------ 10 c c 512B Oct 18 02:35 . > drwxr-xr-x 16 c c 1.0K Oct 18 02:25 .. > drwx------ 5 c c 512B Oct 10 13:48 .Trash > drwxr-xr-x 5 c c 512B Oct 17 23:59 archive > drwx------ 2 c c 2.5K Oct 18 02:31 cur > -rw------- 1 c c 4.5K Oct 18 02:35 dovecot-uidlist > -rw------- 1 c c 8B Oct 10 13:43 dovecot-uidvalidity > -r--r--r-- 1 c c 0B Oct 10 13:43 dovecot-uidvalidity.5d9f1970 > -rw------- 1 c c 1.8K Oct 18 02:19 dovecot.index > -rw------- 1 c c 8.7K Oct 18 02:35 dovecot.index.cache > -rw------- 1 c c 13.3K Oct 18 02:35 dovecot.index.log > -rw------- 1 c c 1008B Oct 10 13:48 dovecot.list.index.log > -rw------- 1 c c 24B Oct 10 13:43 dovecot.mailbox.log > drwxr-xr-x 5 c c 512B Oct 17 23:28 drafts > drwx------ 2 c c 1.5K Oct 18 02:35 new > drwxr-xr-x 5 c c 512B Oct 17 23:28 sent > -rw------- 1 c c 11B Oct 10 13:43 subscriptions > drwx------ 2 c c 512B Oct 18 02:35 tmp > > --------------------------- > > Does someone have an idea what may went wrong? > > Yours sincerely, > Xianwen >

