Problem with exim + mailscanner

[Javier Martinez]

It looks ok:

telnet> quit
Connection closed.
fisica:/home/estud/complejos/ymmiztli/mail# telnet 200.17.209.129 25
Trying 200.17.209.129...
Connected to 200.17.209.129.
Escape character is '^]'.
220 fisica.ufpr.br ESMTP Postfix (Debian/GNU)
ehlo fisica.unam.mx
250-fisica.ufpr.br
250-PIPELINING
250-SIZE
250-ETRN
250 8BITMIME
mail from: <root at fisica.unam.mx>
250 Ok
rcpt to: <luz at fisica.ufpr.br>
250 Ok
data
testing 354 End data with <CR><LF>.<CR><LF>

How can I test if they are verifing the sender??

Thanks a lot,

Javier


On Wed, Sep 20, 2006 at 12:23:13AM +0200, Jim Holland wrote:
> On Tue, 19 Sep 2006, Javier Martinez wrote:
> 
> > Actually I pinged the site, and times are ok:
> > 
> > PING 200.17.209.129 (200.17.209.129) 56(84) bytes of data.
> > 64 bytes from 200.17.209.129: icmp_seq=1 ttl=50 time=309 ms
> > 64 bytes from 200.17.209.129: icmp_seq=2 ttl=50 time=244 ms
> > 64 bytes from 200.17.209.129: icmp_seq=3 ttl=50 time=224 ms
> > 
> > 
> > All sites wich I'm having the problem stops in MAIL FROM, is there any
> > way to try to wait for more time the answer? I did it manually and I
> > could sent email.
> > 
> > J.
> 
> I have tried connecting to the server from here and don't see any problem.
> 
> Have you tried manually telneting yourself?  eg:
> 
> # telnet 200.17.209.129 25
> Trying 200.17.209.129...
> Connected to 200.17.209.129.
> Escape character is '^]'.
> 220 fisica.ufpr.br ESMTP Postfix (Debian/GNU)
> ehlo pegaso.fisica.unam.mx
> 250-fisica.ufpr.br
> 250-PIPELINING
> 250-SIZE
> 250-ETRN
> 250 8BITMIME
> mail from:<listas at pegaso.fisica.unam.mx>
> 250 Ok
> rcpt to:<someuser at fisica.ufpr.br>
> 
> If the delay is after the "mail from:" part then is it possible that they 
> are doing sender verification and can't connect back to your server to 
> verify the sender?
> 
> Regards
> 
> Jim Holland
> System Administrator
> MANGO - Zimbabwe's non-profit e-mail service
> 
> 
> > On Tue, Sep 19, 2006 at 09:30:18PM +0200, Jim Holland wrote:
> > > On Tue, 19 Sep 2006, Javier Martinez wrote:
> > > 
> > > > I have a problem sending email. 
> > > > 
> > > > I'm getting some of this:
> > > > 
> > > >   Delay reason: Connection timed out:
> > > >     SMTP timeout while connected to fisica.ufpr.br [200.17.209.129] after MAIL
> > > > FROM:<here at fisica.unam.mx> SIZE=4194
> > > >   to at fisica.ufpr.br
> > > >     Delay reason: Connection timed out:
> > > >     SMTP timeout while connected to fisica.ufpr.br [200.17.209.129] after MAIL
> > > > FROM:<here at fisica.unam.mx> SIZE=4194
> > > > 
> > > > and my logs:
> > > > 
> > > > 1GNurc-00047n-1J == to at fisica.ufpr.br R=dnslookup T=remote_smtp defer
> > > > (110): Connection timed out: SMTP timeout while connected to
> > > > fisica.ufpr.br [200.17.209.129] after MAIL FROM:<here at fisica.unam.mx>
> > > > SIZE=3008
> > > > 
> > > > I googled and I couldn't find a solution to my problem, I'm having this
> > > > problem with a couple of hosts but my connection is working ok.
> > > 
> > > Your connection may be fine, but theirs isn't.  Do some basic network 
> > > tests - try pinging and tracerouting to their server.
> > > 
> > > Try forcing the mail manually, and keep killing the process if it looks as
> > > if it is going nowhere rather than leave it to time out on its own.  
> > > 
> > > Often there isn't much that you can do in such situations unless you can
> > > get hold of someone at the other end to analyse the network problem
> > > between the servers involved in more detail.  I sometimes find that I can
> > > spool such mail on another server that has different routing and enable
> > > delivery that way.  I have exactly this problem with the very service
> > > provider mentioned in my earlier posting about Zimbabwe being disconnected
> > > - TelOne - to whom delivery is sometimes impossible.
> > > 
> > > Regards
> > > 
> > > Jim Holland
> > > System Administrator
> > > MANGO - Zimbabwe's non-profit e-mail service
> > > 
> > > -- 
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> > > 
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> > > 
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> > 
> 
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