On 24.02.2015 20:29, Reindl Harald wrote:> > > don't allow senders which you would not receive mail for - period >Seems interesting, at least until the bots adapt to this. Any idea how could this be implemented ? -- Best regards, Adrian Minta
Am 24.02.2015 um 19:37 schrieb Adrian Minta:> On 24.02.2015 20:29, Reindl Harald wrote: >> >> don't allow senders which you would not receive mail for - period >> > Seems interesting, at least until the bots adapt to this. > Any idea how could this be implemented?with the configuration i have posted in that thread? for me that was a prerequisite before even consider put my first mailserver setup on a public IP and that's enforced even on any webserver here by shared database tables -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: OpenPGP digital signature URL: <http://dovecot.org/pipermail/dovecot/attachments/20150224/46514ff2/attachment-0001.sig>
On 24.02.2015 20:40, Reindl Harald wrote:> > > Am 24.02.2015 um 19:37 schrieb Adrian Minta: >> On 24.02.2015 20:29, Reindl Harald wrote: >>> >>> don't allow senders which you would not receive mail for - period >>> >> Seems interesting, at least until the bots adapt to this. >> Any idea how could this be implemented? > > with the configuration i have posted in that thread? > > for me that was a prerequisite before even consider put my first > mailserver setup on a public IP and that's enforced even on any > webserver here by shared database tables >Ups ... sorry, reject_authenticated_sender_login_mismatch from smtpd_sender_restrictions ofc. I was thinking about not accepting mails from users/ip witch don't do a least one pop3 or imap read before sending. -- Best regards, Adrian Minta