I have Postfix and Dovecot running on my Debian Jessie/testing system. When I first setup the system a few months ago, I know that Postfix and Dovecot were both logging to /var/log/mail.log through syslog because I was using it to diagnose issues. I can also view entries in the old rotated files (/var/log/mail.log.4.gz).
It seems that they are not logging [there] anymore. My Postfix configuration has no options set regarding logs, which leaves everything at default (using the mail facility of syslog). Dovecot is also set to log to the mail facility of syslog. Postfix is, in fact, working. I'm monitoring the logs with `sudo tail -F /var/log/mail.log` while sending mail, receiving mail, and even restarting Postfix. Nothing shows up in the log. This is the same for Dovecot. I have enabled verbose connection logging, and while monitoring mail.log, nothing shows up. I've even restarted Dovecot as well, with no results in the log file. I have not installed any type of non-default syslog, nor have I touched the syslog config or any log rotation daemon's config. I'm quite stumped here. Thanks!
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