ESMTP ABORTING: Connection broken during DATA

[Carsten]

Thank you Mark, for your help.

I could see, that there was no data in the tcpdump between postfix and 
amavis.
Due to the speed_option, i could see, that postfix doesn't completely 
receive the mail from the client,
so there is no problem with amavis, as i expected without the speed_option.

I can see, that the client is on a DSL connection, and delivers very 
very slowly,
until it runs in a timeout. It can send only 1.451.523 Bytes in 23 minutes.

I thought of a MTU problem on the client side, but in the TCPdump i saw 
traffic from client to server (very slowly).
In the end, the connection was terminated.

So I don't care any more, because this seems to be a client's problem.


Thanks for your help!

Carsten