Delays in queue processing?

John Hawkes-Reed jkha at HPLB.HPL.HP.COM
Thu Oct 4 12:32:40 IST 2001

Some of our sodd^wsplendid users have noticed that Mailscanner can
sometimes delay mail. (they noticed a five minute delay, but not the
hour one last week...)

I suspect that what's happening is that if Mailscanner fires off a set
of messages to a sendmail process and some of those have dodgy DNS, it
sits around waiting for the system("sendmail...") call to return. If
this happens to co-incide with a bit of an incoming mail-flood (Sod's
law being what it is), things seem to go rather non-linear.

Is this likely to be what's happening?

John Hawkes-Reed

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