ping: sendmsg: Network is unreachable

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ping: sendmsg: Network is unreachable

Carl Spitzer-4
ping smtp.pcmagic.net
PING smtp.pcmagic.net (69.19.155.88) 56(84) bytes of data.
ping: sendmsg: Network is unreachable

--- smtp.pcmagic.net ping statistics ---
257 packets transmitted, 0 received, 100% packet loss, time 256255ms


does this mean the mail server is down?

I can receive and this was sent via another smtp from myrealbox.

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Re: ping: sendmsg: Network is unreachable

Patrick Shanahan
* Carl Spitzer <[hidden email]> [07-25-07 11:40]:
> ping smtp.pcmagic.net
> PING smtp.pcmagic.net (69.19.155.88) 56(84) bytes of data.
> ping: sendmsg: Network is unreachable
>
> --- smtp.pcmagic.net ping statistics ---
> 257 packets transmitted, 0 received, 100% packet loss, time 256255ms
>
>
> does this mean the mail server is down?

no, it means that *you* cannot reach the network.

> I can receive and this was sent via another smtp from myrealbox.

11:42 wahoo:~ > ping smtp.pcmagic.net
PING smtp.pcmagic.net (69.19.155.88) 56(84) bytes of data.
64 bytes from mail.pcmagic.net (69.19.155.88): icmp_seq=1 ttl=43 time=74.3 ms
64 bytes from mail.pcmagic.net (69.19.155.88): icmp_seq=2 ttl=43 time=74.6 ms

--- smtp.pcmagic.net ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 74.369/74.489/74.610/0.298 ms


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Re: ping: sendmsg: Network is unreachable

Sandy Drobic
In reply to this post by Carl Spitzer-4
Carl Spitzer wrote:
> ping smtp.pcmagic.net
> PING smtp.pcmagic.net (69.19.155.88) 56(84) bytes of data.
> ping: sendmsg: Network is unreachable
>
> --- smtp.pcmagic.net ping statistics ---
> 257 packets transmitted, 0 received, 100% packet loss, time 256255ms
>
>
> does this mean the mail server is down?

No, it means that an ICMP package could not be sent to the destination.
Furthermore you get the result that the entire network can't be reached.

If you want to know if a mailserver is online and reachable I suggest you
use "telnet hostname 25". When the server is online you will get the smtp
banner of the server.

If you have a residential ip it is possible that your provider does not
allow you to connect to port 25 of any host unless it is the mailserver of
your provider.


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Re: ping: sendmsg: Network is unreachable

James Knott
In reply to this post by Carl Spitzer-4
Carl Spitzer wrote:

> ping smtp.pcmagic.net
> PING smtp.pcmagic.net (69.19.155.88) 56(84) bytes of data.
> ping: sendmsg: Network is unreachable
>
> --- smtp.pcmagic.net ping statistics ---
> 257 packets transmitted, 0 received, 100% packet loss, time 256255ms
>
>
> does this mean the mail server is down?
>
> I can receive and this was sent via another smtp from myrealbox.
>
>  
No, what it means is that you cannot reach the server for whatever
reason.  It's the same situation as when you try to go to the store and
find a road closed.  Does that mean the store is closed?  Or only that
you can't get to it?


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Re: ping: sendmsg: Network is unreachable

Sandy Drobic
James Knott wrote:

> Carl Spitzer wrote:
>> ping smtp.pcmagic.net
>> PING smtp.pcmagic.net (69.19.155.88) 56(84) bytes of data.
>> ping: sendmsg: Network is unreachable
>>
>> --- smtp.pcmagic.net ping statistics ---
>> 257 packets transmitted, 0 received, 100% packet loss, time 256255ms
>>
>>
>> does this mean the mail server is down?
>>
>> I can receive and this was sent via another smtp from myrealbox.
>>
>>  
> No, what it means is that you cannot reach the server for whatever
> reason.  It's the same situation as when you try to go to the store and
> find a road closed.  Does that mean the store is closed?  Or only that
> you can't get to it?

Or you're simply knocking at the wrong door. (^-^)
It it entirely possible that the server will not answer to ICMP queries
but is available on port 25.

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Re: ping: sendmsg: Network is unreachable

James Knott
Sandy Drobic wrote:

> James Knott wrote:
>  
>> Carl Spitzer wrote:
>>    
>>> ping smtp.pcmagic.net
>>> PING smtp.pcmagic.net (69.19.155.88) 56(84) bytes of data.
>>> ping: sendmsg: Network is unreachable
>>>
>>> --- smtp.pcmagic.net ping statistics ---
>>> 257 packets transmitted, 0 received, 100% packet loss, time 256255ms
>>>
>>>
>>> does this mean the mail server is down?
>>>
>>> I can receive and this was sent via another smtp from myrealbox.
>>>
>>>  
>>>      
>> No, what it means is that you cannot reach the server for whatever
>> reason.  It's the same situation as when you try to go to the store and
>> find a road closed.  Does that mean the store is closed?  Or only that
>> you can't get to it?
>>    
>
> Or you're simply knocking at the wrong door. (^-^)
> It it entirely possible that the server will not answer to ICMP queries
> but is available on port 25.
>
>  
No, "Network is unreachable" is a routing problem, which indicates the
path is not available.  In that situation, you couldn't reach any host
on that network  If the host wasn't responding, you'd get a message that
the destination host was unreachable.
.


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