On Aug 26, 2005, at 2:25 PM, Marc Sherman wrote:
> Jeremiah Foster wrote:
>>>
>>> I am having problems with an Outlook Express client connecting to
>>> exim4. The logs are saying;
>>>
>>> 2005-08-26 13:56:16 SMTP protocol violation: synchronization error
>>> (input sent without waiting for greeting): rejected connection from
>>> H=[213.142.17.163] input="\026\003\001"
>>>
>>> (When I got this message previously I switched Outlook Express to
>>> Thunderbird and the issue went away. I assume that is because both
>>> Thunderbird and exim implement the protocol more effectively than
>>> Outlook Express. If I assume incorrectly I would welcome
>>> correction.)
>
> The problem could be outlook's broken TLS implementation. Outlook is
> probably trying to do TLS-on-connect on port 25. Configure Outlook
> for SSL on port 465, and add the following to your exim config:
>
> daemon_smtp_ports = 25 : 465
> tls_on_connect_ports = 465
>
> You may also want to add 587 to the port list, which is the standard
> submission port -- note that it should _not_ be in the
> tls_on_connect_ports list, only 465 belongs there.
> Thanks Marc. I have set both the server and the client to listen on
port 587. This functions for other clients, but not for this one
particular Outlook Express client.
Should I configure my debian exim configuration (/etc/default/exim4)
and add those above lines? Unfortunately I still have some confusion
regarding configuring exim.
