Is relays.ordb.org blacklist down? Seams very slow since yesterday
afternoon ... nothing posted on their web site about this issue.
no need to ask anybody except your IMGate logs:
"RBL lookup error: Host or domain name not found. Name service error for "
... says the postfix DNS query to the RBL server timed out, about 80
seconds per every incoming message, which kills the MX performance.
Len
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