qmail setup temporarily stopping mail forwarded by MailScanner box

[Dhawal Doshy]

    [ The following text is in the "utf-8" character set. ]
    [ Your display is set for the "US-ASCII" character set.  ]
    [ Some characters may be displayed incorrectly. ]

Jason Balicki writes:

> I've just set up a system where MailScanner
> running on a RH8 machine will send (via the
> mailertable) scanned mail to another machine
> that's running qmail.
>
> I know nothing about qmail at this point, but
> it looks like there's some sort of throttle
> built into qmail that keeps the MailScanner
> box from being able to send messages on occasion.
>
> When there's a lot of mail coming through
> the qmail box just stops responding for a
> while.  It will eventually start up again,
> but by that point there's a lot of stuff in
> the MailScanner outbound queue and the cycle
> will repeat for a while until the mail is
> all out of the queue.
>
> I started tracing the qmail setup and didn't
> get very far before I got confused.  I
> remember when I thought sendmail was confusing
> and complex and beyond my grasp.  How quaintly
> naive.  :)
>
> Does anyone know where I should look to find
> this throttle and turn it off?  (The qmail
> box will only receive mail from the MS box
> so there's no reason to have it any more.)
>
> As always, any help at all is appreciated.
>
> --J(K)

do you tarpitting enabled in qmail (some files like tarpit* in
/var/qmail/control)? if yes, you could control it via the tcp.smtp file for
specific ip addressess

Use the following env variables in tcp.smtp:
TARPITCOUNT=0
TARPITDELAY=0

let us know if it works.

 - dhawal

------------------------ MailScanner list ------------------------
To unsubscribe, email jiscmail at jiscmail.ac.uk with the words:
'leave mailscanner' in the body of the email.
Before posting, read the MAQ (http://www.mailscanner.biz/maq/) and
the archives (http://www.jiscmail.ac.uk/lists/mailscanner.html).

Support MailScanner development - buy the book off the website!