Author: Graeme Fowler Date: To: exim-users Subject: Re: [exim] TLS on connect and Microsoft MUA confusion.
On Wed, 2012-06-27 at 22:00 +0800, Chris Kruger wrote: > Unfortunately when I tried this suggestion I get other errors. Like
> the one below
>
> SMTP syntax error in
> "\026\003\001?\200\001??|\003\001O\353\021\017\374!aeM\315|"
> H=redacted.com [22.22.22.22]:51885 NULL character(s) present (shown as
> '?')
>
> Does that provide any further clues?
Sort of. That looks very much like a client configured to use
TLS-on-connect (otherwise known as SSL in older parlance) on a port
which isn't configured to accept it. Just like Outlook would if the port
hasn't been set, in fact...
