How do I configure my postfix not to accept the emails which sent on invalid address?, since morning we have been noticed that there huge spam dictionary attack on our server, all originated emails are from random IPs and random from address to the invalid recipient.
Thanks in advance for you kind help in regards to the control such spam emails.
Middle East Internet Company (CYBERIA)
- On 2013-03-27 23:11, Matthew Hall wrote:
> I ran into a bit of an issue trying out fqrdns.pcre as recommendedadd permit_sasl_authenticated before fqrdns.pcre testing
> here in this thread. The header in the file recommended adding it
> smtpd_client_restrictions. However if I place it there, I end up
> rejecting mail even from SASL authenticated client devices, if they
> also match a rule in fqrdns.pcre.
senders that put my email into body content will deliver it to my own
trashcan, so if you like to get reply, dont do it