Halassy Zolt??n: > So my conclusion is: The slow point could be the > reject_unverified_recipient check, which causes a verify lookup, which > makes an LMTP lookup, so it's either Cyrus problem, or might be > something before that.
Postfix logs delays in fine detail including the delays of address
probe messages: time in incoming/deferred queue, time in active
queue, time to complete DNS lookup and TCP/SMTP/LMTP handshake,
time to transmit message.
Wietse
