On Wed, Jun 27, 2012 at 6:04 AM, Phil Pennock <[email protected]> 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
'?')

Does that provide any further clues?

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