Re: [exim] TLS errors on SMTP (non-AUTH) connections

Vincent Danen wrote:
> * W B Hacker <wbh@???> [2007-02-01 12:06:29 +0800]:
>
>> Peter Bowyer wrote:
>>> On 31/01/07, Vincent Danen <vdanen@???> wrote:
>>>> Not really sure why unless it's doing a sender verify and is timing out
>>>> because the telnet to it worked fine.
>>> There's a suspicious delay after 'RCPT TO' in their SMTP dialogue -
>>> probably is a callout. Try a different MAIL FROM to eliminate
>>> this.....
>>>
>>> Peter
>>>
>>>
>> If the logging is even moderatey verbose, a far-end sender-verification attempt
>> should show up between your 'Mail From' to them and <whatever is timing out>.
>>
>> Can you tell what MTA they are using?
>
> Yeah, they're using exim 4.63 (I'm using 4.5x). I thought it would be a
> sender-verification request too, but that doesn't explain why it worked
> with the telnet "test" but fails when my exim talks to theirs.
>
>

Timing, perhaps?

Ex: - if you have banner delay and they have a callout timeout that is hte same
- or shorter, what with setup and link turnaround times..

Bill