On 10/24/2019 4:46 AM, Jaroslaw Rafa wrote:
Dnia 23.10.2019 o godz. 23:32:44 @lbutlr pisze:
/etc/postfix/helo_checks.pcre:
/.*\.(com|net|org|edu|gov|ca|mx|de|dk|fi|fr|uk|us|tv|info|biz|eu|es|il|it|nl|name|jp|host|au|nz|ch|tv)$/
DUNNO
/.*\.*$/ 550 Mail to or from this TLD is not allowed
And thus you for example would reject all e-mail originating from my country
(.pl) ;)
To me, that is the beauty of this approach, it is easy to add |pl|design
etc.
It might be worth doing something similar with HELO strings, for
example, I have yet to see a legitimate message coming from .TOP.
