On Fri, 2004-03-26 at 15:44, Nigel Horne wrote:
> The evidence points to incoming connections taking a long time (minutes) to send the 
> first
> line of header after establishing a connection.so clamd gives up waiting. Increasing 
> clamd's timeout
> will help. I have seen 4-5 minutes between an SMTP connection being established and 
> the conversation
> finally getting around to doing a DATA statement.
> 

The only reason I can think off for something like this, is that maybe
sendmail is tar-pitting the connection and deliberately adding a delay.

Does sendmail have tar-pitting these days?

Do you have a tcpdump of such a conversation?

-trog




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