Re: RBL for e-mail addresses POSTFIX

On 27.09.2020 01:46, Bit Twister wrote:

> and at a glance looked like it might be what you want.

Thank you for your answer but this part is well known. It describes
usual RBL usage. My problem is slightly different. I would like to use
e-mail address not the domain as an argument to the RBL check.

Filtering by domains in any combination is well done in Postfix. We are
lacking RBL check for e-full e-maills like "[email protected]" or
"[email protected]".
RBL can't blacklist the whole gmail and if there are spammers with gmail
accounts they can't blacklist them.

Can you imagine a company with already blacklisted primary domains? Such
company can create some free accounts just only for spamming because
it's primary domains are rejected. This company may also hide behind
gmail in order to save it's primary domains. The later is not the case
because when found who is behind the spam the primary domains will also
be blacklisted so it is not a good choice for a spammer.

The worst case scenario is gmail/yahoo/freemail only. If you don't have
gmail account you can't fill the complain ticket because there is no
such thing in google.

In such case you could report spam to your local/country RBL and this
e-mail would be blacklisted.