Lähettäjä: Giuliano Gavazzi Päiväys: Vastaanottaja: sam wun Kopio: Exim-users Aihe: Re: [exim] False negative when filtering incoming email.
At 12:15 am +0800 2004/10/22, sam wun wrote: >sam wun wrote:
>
>>Hi,
>>
>>I got the following email rejected.
>>rejected HELO from [1.2.3.4]: syntactically invalid argument(s):
>>ABC_12@???
>
>Hi, the host name of the sender might be invalid in this case?
>Since I can't inform the user change his/her name. He/she may be
>don't know anything about computer.
>How can I remove this check in Exim?
you do not want to remove this check, at least not in this case.
Whoever doesn't know anything about computers should not run a
mailserver, and if they run one, you'll only get spam from it. The
one you listed from your log is probably just a spam attempt (or a
person testing SMTP manually without much knowledge of the
protocol)....