Package: postfix Version: 3.2.2-1 Severity: important When I tried to send a mail with mutt (via the usual "/usr/sbin/sendmail -oem -oi" command), it was hanging, and ps showed that it was due to postdrop, which was hanging. There was no such problem when I sent a mail 20 minutes before. /var/log/mail.log contained a succession of
warning: mail_queue_enter: create file maildrop/...: Permission denied lines, until I killed postdrop: Jul 20 11:18:11 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/634289.13399: Permission denied Jul 20 11:18:21 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/634603.13399: Permission denied Jul 20 11:18:31 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/635373.13399: Permission denied Jul 20 11:18:41 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/636176.13399: Permission denied Jul 20 11:18:51 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/637326.13399: Permission denied Jul 20 11:19:01 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/638252.13399: Permission denied Jul 20 11:19:11 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/638960.13399: Permission denied Jul 20 11:19:21 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/639612.13399: Permission denied Jul 20 11:19:31 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/640299.13399: Permission denied Jul 20 11:19:41 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/641103.13399: Permission denied Jul 20 11:19:51 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/642386.13399: Permission denied Jul 20 11:20:01 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/643932.13399: Permission denied Jul 20 11:20:11 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/644810.13399: Permission denied Jul 20 11:20:21 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/645803.13399: Permission denied Jul 20 11:20:31 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/647270.13399: Permission denied Jul 20 11:20:41 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/648869.13399: Permission denied Jul 20 11:20:51 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/649980.13399: Permission denied Jul 20 11:21:01 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/651193.13399: Permission denied Jul 20 11:21:11 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/652325.13399: Permission denied Jul 20 11:21:21 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/653346.13399: Permission denied Jul 20 11:21:31 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/654559.13399: Permission denied Jul 20 11:21:41 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/655404.13399: Permission denied Jul 20 11:21:51 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/656236.13399: Permission denied Jul 20 11:22:01 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/657108.13399: Permission denied Jul 20 11:22:11 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/658050.13399: Permission denied Jul 20 11:22:21 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/658695.13399: Permission denied Jul 20 11:22:31 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/660145.13399: Permission denied Jul 20 11:22:41 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/661449.13399: Permission denied Jul 20 11:22:51 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/662521.13399: Permission denied Jul 20 11:23:01 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/663888.13399: Permission denied Jul 20 11:23:11 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/665310.13399: Permission denied Jul 20 11:23:21 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/666255.13399: Permission denied Jul 20 11:23:31 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/667117.13399: Permission denied Jul 20 11:23:41 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/668392.13399: Permission denied Jul 20 11:23:51 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/669518.13399: Permission denied Jul 20 11:24:01 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/670266.13399: Permission denied Jul 20 11:24:11 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/671097.13399: Permission denied Jul 20 11:24:21 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/672216.13399: Permission denied Jul 20 11:24:31 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/673323.13399: Permission denied Jul 20 11:24:41 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/674002.13399: Permission denied Jul 20 11:24:51 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/674838.13399: Permission denied Jul 20 11:25:01 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/676398.13399: Permission denied Jul 20 11:25:11 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/677080.13399: Permission denied Jul 20 11:25:21 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/678285.13399: Permission denied Jul 20 11:25:31 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/679208.13399: Permission denied Jul 20 11:25:41 zira postfix/postdrop[13399]: warning: mail_queue_enter: create file maildrop/680926.13399: Permission denied Jul 20 11:25:51 zira postfix/sendmail[13398]: warning: command "/usr/sbin/postdrop -r" exited with status 15 Jul 20 11:25:51 zira postfix/sendmail[13398]: fatal: vinc...@vinc17.net(1000): unable to execute /usr/sbin/postdrop -r: Success Note also that the "Success" error message after the kill is obviously incorrect: a success cannot be the reason of an error! I tried again, but got the same issue. I eventually stopped and restarted postfix with: service postfix stop service postfix start as root, but this did not solve this problem. This problem disappeared only after a reboot of the machine. Between the mail previously sent (at 10:56:48) and the above warnings, everything seems normal in the journalctl logs (the usual things...). -- System Information: Debian Release: buster/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 4.11.0-2-amd64 (SMP w/8 CPU cores) Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=POSIX (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages postfix depends on: ii adduser 3.115 ii cpio 2.11+dfsg-6 ii debconf 1.5.63 ii dpkg 1.18.24 ii init-system-helpers 1.49 ii libc6 2.24-12 ii libdb5.3 5.3.28-13 ii libicu57 57.1-6 ii libsasl2-2 2.1.27~101-g0780600+dfsg-3 ii libssl1.1 1.1.0f-3 ii lsb-base 9.20161125 ii netbase 5.4 ii ssl-cert 1.0.39 Versions of packages postfix recommends: ii python3 3.5.3-3 Versions of packages postfix suggests: ii bsd-mailx [mail-reader] 8.1.2-0.20160123cvs-4 pn dovecot-common <none> ii emacs24-lucid [mail-reader] 24.5+1-11+local2 ii emacs25 [mail-reader] 25.2+1-2 ii libsasl2-modules 2.1.27~101-g0780600+dfsg-3 ii mutt [mail-reader] 1.8.3+neomutt20170609-2 pn postfix-cdb <none> ii postfix-doc 3.2.2-1 pn postfix-ldap <none> pn postfix-lmdb <none> pn postfix-mysql <none> ii postfix-pcre 3.2.2-1 pn postfix-pgsql <none> ii postfix-sqlite 3.2.2-1 ii procmail 3.22-25+b1 pn resolvconf <none> pn sasl2-bin <none> pn ufw <none> -- debconf information: postfix/kernel_version_warning: postfix/destinations: zira.vinc17.org, localhost.vinc17.org, , localhost postfix/root_address: postfix/bad_recipient_delimiter: postfix/not_configured: postfix/relay_restrictions_warning: postfix/chattr: false postfix/rfc1035_violation: false postfix/retry_upgrade_warning: postfix/recipient_delim: + postfix/tlsmgr_upgrade_warning: postfix/main_cf_conversion_warning: true postfix/compat_conversion_warning: true postfix/mydomain_warning: postfix/protocols: all postfix/dynamicmaps_conversion_warning: postfix/relayhost: postfix/mynetworks: 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 postfix/mailbox_limit: 0 * postfix/mailname: zira.vinc17.org postfix/lmtp_retired_warning: true postfix/sqlite_warning: * postfix/main_mailer_type: Internet Site postfix/procmail: true
