Re: [exim] SMTP protocol violation: synchronization error (i…

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Autor: Nigel Metheringham
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A: exim-users
Assumpte: Re: [exim] SMTP protocol violation: synchronization error (input sent without waiting for greeting)
On Mon, 2004-09-27 at 14:04 +0200, eL gino wrote:
> # openssl s_client -starttls smtp -host localhost -port 25


I'd expect that to work...
but
> # openssl s_client -connect localhost:25

that to fail (SSL connection to SMTP port)

> 56154 SMTP protocol violation: synchronization error (input sent without
> waiting for greeting): rejected connection from H=localhost [127.0.0.1]
> 56154 SMTP>> 554 SMTP synchronization error


I'd guess that the openssl code isn't speaking SMTP properly - just
firing a batch of commands at exim without waiting for the responses,
hence exim detecting it as a sync error. Try using a real mailer to it.

    Nigel.
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[ Nigel Metheringham           Nigel.Metheringham@??? ]
[ - Comments in this message are my own and not ITO opinion/policy - ]