Hello!

On Fri, Apr 10, 2009 at 02:04:09PM +0200, Robert Gabriel wrote:

> I have nginx 0.6.36 with php-fastcgi. Im using SquirrelMail and have a
> mail that is 25M, no attachement, just a text mail so big. Im trying to
> read it, but fastcgi ends-up in
> 2009/04/10 13:55:35 [error] 22626#0: *537 recv() failed (104: Connection
> reset by peer) while reading response header from upstream, client:

>From the error message it seems that php died even before it was
able to send header to nginx.

> Before the problem was that php didnt have enough memory or
> max_execution_time was too low. I modified that and set
> keepalive_timeout to 32, but it just die even like this.

keepalive_timeout is completely unrelated thing, it's only used by
nginx for client connections.

> Is it possible
> fastcgi is limited to how big is the request or something.

No, at least not the protocol itself.

> How could I setup up nginx and/or php to be able to read that mail?

Try looking into php. It seems that it just dies due to errors or
you haven't tuned limits enough.

Maxim Dounin