Mailscanner / postfix Timeout in the SMTP dialog

[Fabien GARZIANO]

Thanks for your answer Denis.

I'll apply this patch ASAP and send feedback in this list if it's not misplaced.
 
 
> Fabien,
> 
> I don't know it this applies to you but I had to apply the 
> following patch to my kernel setup on RHEL 5 to stop that 
> knid of problems:
> tail /etc/sysctl.conf
> # Fix for tcp window scaling issue related to broken Internet 
> routers net.ipv4.tcp_wmem = 4096 16384 131072 
> net.ipv4.tcp_rmem = 4096 87380 174760
> 
> # From S. Freegard fsl.com
> # increase Linux autotuning TCP buffer limits # min, default, 
> and max number of bytes to use #net.ipv4.tcp_rmem = 4096 
> 87380 16777216 #net.ipv4.tcp_wmem = 4096 65536 16777216
> 
> I also included the values Steeve Freegard is using.  You 
> will have to restart your server after modifying your 
> sysctl.conf file (or you could use the sysctl command to make 
> the changes dynamically).
> 
> Denis
> 
> -- 
>    _
>   °v°   Denis Beauchemin, analyste
>  /(_)\  Université de Sherbrooke, S.T.I.
>   ^ ^   T: 819.821.8000x62252 F: 819.821.8045