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I'm sure this is a really newbie question, but I notice in /var/log/mail.log that there are between 3 and 15 of the following log entries every day for the last five days, which is far back as my logs go--what do they mean? Apr xx hh:mm:ss mail dovecot[109]: auth-worker(default): mysql: Connected to localhost (postfix) Is it dovecot connecting to mysql for password or user info? If so,