Stephen Gran on Fri, 29 Aug 2003 19:53:04 -0400


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Re: [PLUG] Strange Exim-TLS issue


On Fri, Aug 29, 2003 at 07:28:13PM -0400, Martin DiViaio said:

> What's your mailserver returning in response to the EHLO command?

This is from a box that works with tls:

steve:~$ telnet mail.lobefin.net 25
Trying 216.158.52.98...
Connected to mail.lobefin.net.
Escape character is '^]'.
220 mail.lobefin.net ESMTP Exim 3.35 #1 Fri, 29 Aug 2003 19:47:58 -0400
ehlo busybox
250-mail.lobefin.net Hello adsl-216-158-52-108.cust.oldcity.dca.net
[216.158.52.108]
250-SIZE
250-PIPELINING
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP
starttls
220 OpenSSL/0.9.6beta go ahead
^]
telnet> Connection closed.
steve:~$

I don't have the laptop giving me problems here, so I can't test from
that one, but my memory is that stattls was a response there as well.

> Chances are, whatever mail program you are using on the laptop can't find 
> what it wants to issue the starttls command. (There's a similar issue with 
> older versions of Netscape claiming a mailserver can't do ASMTP because 
> the mail server didn't return "AUTH=LOGIN" in the response to EHLO.)
> 
> Is the gateway running some sort of SMTP proxy?

No, iptables NAT/masq stuff, with some port blocking.  Nothing remotely
interesting.

Thanks for helping,
-- 
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|  Stephen Gran                  | People who take cold baths never have   |
|  steve@lobefin.net             | rheumatism, but they have cold baths.   |
|  http://www.lobefin.net/~steve |                                         |
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