shm...@riseup.net: > > when i receive mail from some MTA's (there seems to be no pattern as to > which ones) and this msg is logged, no STARTTLS is established and i > receive the mail in the clear
Sorry, verify caches have absolutely nothing to do with TLS encryption. > the file verify_cache.db does exist > > is it ok to delete this, restart postfix and see what happens next time? Please don't tinker with Postfix files. The warning message is harmless. Wietse