The Stovebolt Geek:
> Recently I found out about postscreen on this list. After reading about
> it, I implemented it in pretty much the default configuration (copied
> below.)
> postscreen_bare_newline_action = ignore
> postscreen_bare_newline_enable = no
> postscreen_blacklist_action = ignore
> postscreen_dnsbl_action = ignore
> postscreen_greet_action = ignore
> postscreen_non_smtp_command_action = drop
> postscreen_non_smtp_command_enable = no
> postscreen_pipelining_action = enforce
> postscreen_pipelining_enable = no
This means postscreen blocks nothing. All it does is send half a
greeting banner and wait 6s. I would not expect that to make
a major difference in the amount of mail handled by your server.
Did you actually look at the maillog file? You should see lots
of clients hanging up without sending mail.
Wietse
