Re: [Exim] Long lookup time

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Autor: michael
Data:  
Para: exim-users, porridge, trevor
Assunto: Re: [Exim] Long lookup time
> | > | The problem is with connecting to exim from some hosts. It takes a
> | > | (relatively) long time between
> | > |
> | > |  - the connection is accepted (e.g. telnet skynet.skynet.com.pl smtp
> says
> | > |    Connected to skynet.skynet.com.pl. Escape character is '^]'.)
> | > |
> | > | and
> | > |
> | > |  - the initial smtp 220 banner is displayed.


That behaviour is common if something is resolved and the first name server
does not answer. The request times out and the second name server is asked,
which answers the query.

Which request causes this and which name server is down could e.g. be checked
by truss/strace.

Michael