Common errors

  • quota full, disk space full (metacache, fscache)

  • NFS/network error

  • service process_limit reached, client_limit reached

  • “my email is broken” -> how to track everything via session-id from “proxy/director/backend” and find user’s error logs etc. disconnection reasons, etc.

  • “my email was lost” (pop3, mail_log plugin, imap logout message)

  • SMTP/LMTP/Sieve interaction/problems

  • ^^^ show example log lines for everything