As Eric correctly guessed, it's linked to the 'greeting-delay-secs'
setting in Spamdyke. I was able to confirm this by changing the value of
the setting and retesting. The times reported by the testing tool
closely matched the values that I entered for 'greeting-delay-secs'.
(Pro tip: you can s
Are you using Spamdyke? If so, depending upon configuration, it does
several DNS queries prior to passing the connection to qmail-smtpd.
On mine, it does reverse DNS lookup, checks several DNS blacklists,
etc. That could easily account for the delayed smtp response.
You could test this by tempo
