Re: [Exim] Re: unexpected disconnection while reading SMTP c…

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Autor: Sean Linus
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A: exim-users
Assumpte: Re: [Exim] Re: unexpected disconnection while reading SMTP command
> There's nothing there which indicates that Exim is doing any rejecting. To
> test this, try 'exim -bh 211.72.XXX.YY' and go through a dummy SMTP
> session.


**** SMTP testing session as if from host 211.72.XXX.YY
**** but without any ident (RFC 1413) callback.
**** This is not for real!

LOG: SMTP connection from [211.72.XXX.YY]
>>> host in host_lookup? yes (matched "*")
>>> looking up host name for 211.72.XXX.YY
>>> IP address lookup using gethostbyaddr()
>>> IP address lookup failed: h_errno=1

LOG: no host name found for IP address 211.72.XXX.YY
>>> host in host_reject_connection? no (option unset)
>>> host in "10.0.0.0/8 : 172.16.0.0/12 : 192.168.0.0/16"? no (end of list)
>>> gethostbyname looked up these IP addresses:
>>> name=ms1.mydomain.com.qa address=212.77.XXX.YY
>>> no IP address found for host mydomain.com.qa (during SMTP

connection from [211.72.XXX.YY])
LOG: no IP address found for host mydomain.com.qa (during SMTP
connection from [211.72.XXX.YY])
>>> host in "+rfc1918 : @ : @[] : /etc/exim/localdomains: localhost"?

no (failed to find IP address for mydomain.com.qa)
>>> host in sender_unqualified_hosts? no (end of list)
>>> host in recipient_unqualified_hosts? no (end of list)
>>> host in helo_verify_hosts? no (matched "!*")
>>> host in helo_try_verify_hosts? no (matched "!*")
>>> host in helo_accept_junk_hosts? no (matched "!*")
>>> using ACL "check_connect"
>>> processing "accept"
>>> accept: condition test succeeded

220 ms1.mydomain.com.qa ESMTP Exim 4.34 #1 Thu, 19 Aug 2004 14:57:24
+0300 - Exim Linux

> Some thoughts:
>
> Do you have any ACLs which are likely to be rejecting recipients from this
> host? If so, you could use 'hosts = ! 211.72.XXX.YY' on the ACL to
> whitelist them.

Nope.

> It's possible that the remote host doesn't understand something about
> Exim's ESMTP support, so try setting smtp_banner to something which
> doesn't include the string 'ESMTP'

What will be the impact of this?

Thanks Peter.

Sean