Re: Managing allow/block list for outbound traffic

2021-05-14 Thread Stefan Claas
On Sat, May 15, 2021 at 12:31 AM IL Ka wrote: >> >> >> >> If now a user of such a domain requests that he can be blocked >> from receiving email from my domain, due to abuse of my service, >> would be a simple REJECT of his email address in the same >> transport map list be sufficient, or does

Managing allow/block list for outbound traffic

2021-05-14 Thread Stefan Claas
Hi, I am planning to offer a new small email service and decided to only allow for now that outbound traffic can only reach a couple of domains which are included, as understood, in a transport map list, where the domains are labeled as OK. If now a user of such a domain requests that he can be

Re: modifying outbound email headers

2020-04-07 Thread Stefan Claas
Wietse Venema wrote: > One correction: > > > Anyway, if you can identify all the the mail2news gateways AND your users > > > must use your server set up a transport map: > > > > > > /etc/postfix/main.cf > > > transport_maps = hash:/etc/postfix/transport > > > > > > /etc/postfix/transport: >

Re: modifying outbound email headers

2020-04-07 Thread Stefan Claas
Wietse Venema wrote: > Stefan Claas: > > Wietse Venema wrote: > > > > > Stefan Claas: > > > > Hi, > > > > > > > > my postfix mail server works perfectly so far. > > > > > > > > However, I am now fac

Re: modifying outbound email headers

2020-04-06 Thread Stefan Claas
Franck MAHE wrote: > >> > I would like to achieve the following: > >> > > >> > postfix should modify outgoing email headers that *only* go to > >> > mail2news > >> > gateways, using the email gateway addresses for parsing, so that the > >> > right part > >> > of the message ID, after the @

Re: modifying outbound email headers

2020-04-06 Thread Stefan Claas
Gregory Heytings wrote: > > Stefan Claas: > > > > postfix should modify outgoing email headers that *only* go to mail2news > > gateways, using the email gateway addresses for parsing, so that the > > right part of the message ID, after the @ charachter, will b

Re: modifying outbound email headers

2020-04-06 Thread Stefan Claas
Matus UHLAR - fantomas wrote: > On 06.04.20 11:01, Stefan Claas wrote: > >my postfix mail server works perfectly so far. > > > >However, I am now facing the following problem and have tried as best as I > >can to find a solution to this. > > > >I run a

Re: modifying outbound email headers

2020-04-06 Thread Stefan Claas
Franck MAHE wrote: > Hi Stefan, > > > I would like to achieve the following: > > > > postfix should modify outgoing email headers that *only* go to > > mail2news > > gateways, using the email gateway addresses for parsing, so that the > > right part > > of the message ID, after the @

modifying outbound email headers

2020-04-06 Thread Stefan Claas
Hi, my postfix mail server works perfectly so far. However, I am now facing the following problem and have tried as best as I can to find a solution to this. I run an anonymous remailer, which also allows sending emails to mail2news gateways for Usenet postings. So far so good. I would like to