Am 24.10.2014 um 00:54 schrieb Jasen Betts: > On 2014-10-21, Cybernet Administrador <cyberadm@???> wrote:
>> Hi,
>> Server Error: 550
>>
>> Server Answer: 550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)
>>
> try setting
>
> helo_accept_junk_hosts = *
>
>
You don't wanne do that, trust me. Invalid Helo names are a VERY good
spamfilter :)
if you have customer, they shoudl use authentication, which can than
overrule that invalid hostname.
That way, your clients can sendmail and you keep unwanted spammer out
the simpleway.
