Author: Chris Kruger Date: To: exim-users Subject: Re: [exim] TLS on connect and Microsoft MUA confusion.
On Wed, Jun 27, 2012 at 6:04 AM, Phil Pennock <exim-users@???> wrote:
> Nope; that's a protocol lockstep issue. In SMTP, the server speaks
> first, but the client isn't waiting for the banner. This behaviour is
> common for pump&dump spammers, so seeing in on port 25 is bad.
>
> You can turn this off globally, for all ports, using the
> "smtp_enforce_sync" option -- set it false.
Thanks for the suggestion Phil.
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
'?')
