Sendmail and Unexpected EOM

[Denis Beauchemin]

Scott Silva a écrit :
> on 11/1/2007 2:18 PM Denis Beauchemin spake the following:
>> Scott Silva a écrit :
>>> I'm getting a lot of collect: premature EOM: unexpected close
>>> errors from certain servers, and a google gives me much conflicting 
>>> info.
>>>
>>> Running CentOS 4 and current stable MailScanner.
>>>
>>>  I have tried decreasing the MTU on the external interface, and only 
>>> succeeded in stopping all traffic. Tried disabling window scaling, 
>>> and that also had no effect. Could the default be to set no-fragment 
>>> on packets from CentOS 4?
>>>
>> Scott,
>>
>> I modified these TCP settings in RHEL5 to correct this situation:
>> (from /etc/rc.local):
>> /sbin/sysctl -w net.ipv4.tcp_wmem="4096 16384 131072"
>> /sbin/sysctl -w net.ipv4.tcp_rmem="4096 87380 174760"
>>
>> For some unknown reason it wouldn't work in /etc/sysctl.conf...
>>
>> Denis
>>
> Did you put it in /etc/sysctl.conf without the quotes?
> It seems to hold with a sysctl -p. At least it doesn't barf.
>
This is what I put in /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"

So no, I didn't remove the quotes... does it matter?

Denis

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  °v°   Denis Beauchemin, analyste
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