[exim] Hostname and TLD drops

[scout--- via Exim-users]

Hi, newbi questions please..

I can't figure out how to drop certain hostname connects. I get thousands of 
these types of connects per day:

1.
2018-08-25 14:24:30.043 [26265] H=(my-domain-name.net) [37.114.179.1]:40546 
I=[1.2.3.4]:25 sender verify fail for <email-accou...@my-domain-name.net>: 
No Such User Here"
2018-08-25 14:24:30.043 [26265] H=(my-domain-name.net) [37.114.179.1]:40546 
I=[1.2.3.4]:25 F=<email-accou...@my-domain-name.net> rejected RCPT 
<email-accou...@my-domain-name.net>: Sender verify failed

2.
2018-08-25 14:25:27.607 [26306] H=(sex.com) [171.238.105.227]:43666 
I=[1.2.3.4]:25 sender verify fail for <email-accou...@my-domain-name.net>: 
No Such User Here"
2018-08-25 14:25:27.607 [26306] H=(sex.com) [171.238.105.227]:43666 
I=[1.2.3.4]:25 F=<email-accou...@my-domain-name.net> rejected RCPT 
<email-accou...@my-domain-name.net>: Sender verify failed

3.
2018-08-25 14:16:39.473 [25870] H=69.130.32.95.dsl-dynamic.vsi.ru (sex.com) 
[95.32.130.69]:7481 I=[1.2.3.4]:25 sender verify fail for 
<email-accou...@my-domain-name.net>: No Such User Here"
2018-08-25 14:16:39.473 [25870] H=69.130.32.95.dsl-dynamic.vsi.ru (sex.com) 
[95.32.130.69]:7481 I=[1.2.3.4]:25 F=<email-accou...@my-domain-name.net> 
rejected RCPT <email-accou...@my-domain-name.net>: Sender verify failed

Hostname IP's are always hacked international user computers so there's no 
sense trying throw the IPs in a firewall. The only constants is that every 
single connection is for the same non-existing account: 
email-accou...@my-domain-name.net, and they all have 'sex.com' or 
my-domain-name in the hostname H=. Yes, they currently all fail with just 
two lines of code in the logs, but the volume of connections is increasing 
daily.

I'm looking for something along the lines of:

If hostname equals 'sex.com' or hostname equals 'my-domain-name.net'
drop connection (don't process or write to the logs)

I run CSF if there is a way to do this with that product. I do not have the 
CSF MailScanner installed.

----

Second question - I've about had it with all the thousands of TLD's like 
.stream and the like. RBL's can't keep up. Has anyone configured an 
automatic drop for these TLD's?

Thanks,
Newbie





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