Re: [exim] smtp timeouts / what to look for

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Autor: Renaud Allard
Data:  
Para: Zbigniew Szalbot
CC: Exim Mailing List
Asunto: Re: [exim] smtp timeouts / what to look for


Zbigniew Szalbot wrote:

>>
>> Can you try to make a tcptraceroute on port 25 for the IPs of the yahoo
>> MXes, it may give you a hint on where you are blocked.
>
> The issue is that no traceroute ever completes successfully:
>
> traceroute 209.191.118.103
> traceroute to 209.191.118.103 (209.191.118.103), 64 hops max, 40 byte packets
> 1 * * *
> 2 * * *
> 3 * * *
> 4 * * *
>
> I also tried traceroute -e 209.191.118.103. Same result.
>
> Our Dlink router has these two enabled:
> ping-outbound           ICMP: Echo (Ping)   Return ICMP Errors      
> ping-inbound          ICMP: Echo (Ping)

>
> No host responds to traceroute commands. Thanks!


You should also ensure that traceroute works for other IPs, just in case
your firewall blocks them, because echo-request,replies are not
sufficient to do a successful traceroute. If they work for other IPs,
then, it's probably your default gateway's fault.

I suggested using tcptraceroute (not traceroute) on port 25 because this
one has more chances to give you a real hint on the route your smtp
packets are using.