On Sat, 2008-12-06 at 20:27 -0500, Sam Varshavchik wrote:
> If you can isolate this to Exchange only, set the following in courierd,
> which may fix this:
>
> TLS_CIPHER_LIST="SSLv3:TLSv1:!SSLv2:HIGH:!LOW:!MEDIUM:!EXP:!DES-CBC3-SHA:[EMAIL
> PROTECTED]"
Interesting. After putting this line in courierd, remote system sends
back:
500 DEBUG: Unexpected SSL connection shutdown.
The system is apparently running Exchange. It identifies itself with:
220 squid.humantech.com Microsoft ESMTP MAIL Service, Version:
6.0.3790.3959
Apparently I'm going to have to leave ESMTP_USE_STARTTLS off for the
benefit of my customers who need to be able to communicate with their
customers on Exchange servers more than they need the extra security of
TLS over the Internet.
--
Lindsay Haisley | "In an open world, | PGP public key
FMP Computer Services | who needs Windows | available at
512-259-1190 | or Gates" | http://pubkeys.fmp.com
http://www.fmp.com | |
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