Author: Jakob Hirsch Date: To: 'Exim-users' Subject: Re: [exim] 500 response to EHLO
Sean Murray wrote:
> I have and odd error from 2 mail servers (that i know of)
> mail.waterfront.co.za - XMAIL
> mail.colorsfruit.com - exchange server.
> Both these servers respond with
> 500 Command line too long
> and then closes the connection.
> with a perfectly valid : EHLO silence.tlabs.ac.za
Um, sounds quite broken, but works from here:
[jh@ymmv ~]$ telnet mail.waterfront.co.za smtp
Trying 196.41.17.237...
Connected to mail.waterfront.co.za.
Escape character is '^]'.
220 XMAIL
ehlo silence.tlabs.ac.za
250-waterfront.co.za
250-VRFY
250-ETRN
250-8BITMIME
250-PIPELINING
250-AUTH LOGIN PLAIN CRAM-MD5
250 SIZE
[jh@ymmv ~]$ telnet mail.colorsfruit.com smtp
Trying 196.22.182.90...
Connected to mail.colorsfruit.com.
Escape character is '^]'.
220 isa.colorsfruit.com Exchange Microsoft ESMTP MAIL Version
6.0.3790.211 ready at Wed, 24 Aug 2005 18:19:50 +0200
ehlo silence.tlabs.ac.za
250-isa.colorsfruit.com supports the following ESMTP extensions:
250-SIZE 4194304
250-DSN
250-8bitmime
250 OK
But you should use nc instead of telnet. The latter may send things that
confuses some smtp servers.