On 14.11.17 20:02, liquid cooled wrote:
The problem is as follows:
A spammer is using an ip address which hast thousands of domains
registered, the apammer uses a botnet to send from his domains but from
many different source ips.
don't you want to use check_sender_a_access instead?
last time
On 15 Nov 2017, at 08:48, P.V.Anthony wrote:
> From the helo, I can see DD1HMALT02.hmail.sg. But this domain does not
> resolve, as you can see bellow. So comes my question, is it complulsory for
> an outgoing smtp server to have a fully qualified domain name. With
On 11/15/2017 9:48 AM, P.V.Anthony wrote:
> Hi,
>
> My postfix server was rejecting emails from the following server. I
> think it is because I am using "reject_unknown_helo_hostname".
>
> -- start --
> Nov 15 13:20:13 mail postfix/smtpd[14663]: NOQUEUE: reject:
P.V.Anthony:
> If it is not complusory then my setting was too strong and I really
> should remove "reject_unknown_helo_hostname".
Using this feature wil reject non-spam email, because there are
still too many mis-configured mail servers.
Wietse
Hi,
My postfix server was rejecting emails from the following server. I
think it is because I am using "reject_unknown_helo_hostname".
-- start --
Nov 15 13:20:13 mail postfix/smtpd[14663]: NOQUEUE: reject: RCPT from
unknown[103.230.232.100]: 450 4.7.1 : Helo
> https://tools.ietf.org/html/rfc5322#section-1.2.2
>
Ah! Thanks Viktor.
Michael