Re: Best way to filter mail when using recipient_delimiter
On 31.03.22 20:21, Togan Muftuolu wrote: As the subject says what is the best strategy or way to filter and in this case I would rather reject specific mail addresses that are using the format user+whate...@example.com So in this case I would like to reject any mail that has the +whatever suffix. do you mean any accress containing the "+" or just the "+whatever" suffix? the first should be doable by disabling recipient_delimiter so it's not considered delimiter and/or special. this way you still should be able to create users/aliases with the "+" character if you want (or with any character "-", "0", "a" etc.). the latter can be disabled by calling check_recipient_access "user+whate...@example.com REJECT" Note that you don't want to disable such expression globally, since there are people even in this mailing list using "+" in their mail addresses. My understanding is - Relocated doesn't make sense - virtual can't be because the domain part is not a virtual domain What I see is access as a possibility but up to now I have thought it as allowing access to the sender not the receiver. Am I missing the point here or is there a better way of doing this check and reject those mails with the certain +whatever part Thanks -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety. -- Benjamin Franklin, 1759
Re: Best way to filter mail when using recipient_delimiter
> "Matus" == Matus UHLAR <- fantomas > writes: Matus> the latter can be disabled by calling check_recipient_access Matus> "user+whate...@example.com REJECT" This is what I want to achieve and after reading the documentation at http://www.postfix.org/RESTRICTION_CLASS_README.html I got the picture. All is good now thanks for pointing to the right direction. Matus> Note that you don't want to disable such expression globally, since Matus> there are people even in this mailing list using "+" in their mail Matus> addresses. On various list I do use it, but one of those extensions have become a target for spammers and I needed to disable that specific one. Now I have the information I needed it's good to go and after I digest the info at that page, I will try to use the classes concept. Thanks again Togan -- Life is endless possibilities, and there is choice!
Re: Best way to filter mail when using recipient_delimiter
"Matus" == Matus UHLAR <- fantomas > writes: Matus> the latter can be disabled by calling check_recipient_access Matus> "user+whate...@example.com REJECT" This is what I want to achieve and after reading the documentation at http://www.postfix.org/RESTRICTION_CLASS_README.html I got the picture. restriction classes is the way to allow certain addresses from certain places, e.g. limit who can send mail to particular users. Just take care that this address does not send mail to outside, so nobody complains they can't answer you. Matus> Note that you don't want to disable such expression globally, since Matus> there are people even in this mailing list using "+" in their mail Matus> addresses. On 01.04.22 09:49, Togan Muftuoglu wrote: On various list I do use it, but one of those extensions have become a target for spammers and I needed to disable that specific one. this is perfect example of why to use +extensions. I used different addresses in my domain to register to particular services so after disabling those services they can't mail me further. Now I have the information I needed it's good to go and after I digest the info at that page, I will try to use the classes concept. -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. How does cat play with mouse? cat /dev/mouse
