[EMAIL PROTECTED]:
> For example, if an user send a mail to 70 ncrpt (number of recipient)
> at a time, Postfix will handle it as two seperate message and queued
> at qmgr by default. The first queue is ncrpt = 50 and the second is
> ncrpt = 20. It is because by default, default_destination_recipient_limit
> = 50. But this two message queue
> will deliver most at the same second, I would like to just slightly
> delay the second message id delivery 1 second later than the first
> one.
> Because I have some performance issue on the recipient authentication
> when the ncrpt of the original message is large (i.e. 200), if such
> delay can be made, it can free up the load to the authenication server
> and then I assume can relax the performance heavy duty a little.
> Thank you very much!
With Postfix 2.5 and later:
/etc/postfix/main.cf:
smtp_destination_rate_delay = 1
See:
http://www.postfix.org/postconf.5.html#transport_destination_rate_delay
Wietse
