Re: Postfix as Relay for Exchange, User overquota

2018-01-03 Thread Viktor Dukhovni
On Wed, Jan 03, 2018 at 02:42:58PM +0100, Matus UHLAR - fantomas wrote: > On 02.01.18 19:59, stefan novak wrote: > > We are using the reject_unverified_recipient in combination with smtp > > transport-table to submit the E-mail back to the exchange Server. > > With our dovecot backends we can use t

Re: Postfix as Relay for Exchange, User overquota

2018-01-03 Thread Matus UHLAR - fantomas
On 02.01.18 19:59, stefan novak wrote: We are using the reject_unverified_recipient in combination with smtp transport-table to submit the E-mail back to the exchange Server. With our dovecot backends we can use the dovecot quota service in combination with the check_policy_service that Mails fro

Re: Postfix as Relay for Exchange, User overquota

2018-01-02 Thread Wietse Venema
stefan novak: > thx, i've implemented that already for dovecot. > > but i have the quota problem with users that are on our exchange > server backend (it doesnt support this quota service) > > is there a way to tell postfix that it accepts only mail on the > frontend when the backend server (tran

Re: Postfix as Relay for Exchange, User overquota

2018-01-02 Thread stefan novak
thx, i've implemented that already for dovecot. but i have the quota problem with users that are on our exchange server backend (it doesnt support this quota service) is there a way to tell postfix that it accepts only mail on the frontend when the backend server (transport smtp destination) says

Re: Postfix as Relay for Exchange, User overquota

2018-01-02 Thread Robert Schetterer
Am 02.01.2018 um 19:59 schrieb stefan novak: > Hello! > > we are using Postfix as our MX Server for several mailservers, mostly > dovecot. We have now implemented an exchange Server as well. > > We are using the reject_unverified_recipient in combination with smtp > transport-table to submit the

Re: Postfix as Relay for Exchange, User overquota

2018-01-02 Thread Wietse Venema
stefan novak: > Is there a way to tell postfix to accept the E-Mail only when the > exchange Server also wants to deliver it. Postfix uses the RCPT TO command to find out if a server is willing to accept the message. In the case of Dovecot, there is a way to find out if a user is over quota (talk

Postfix as Relay for Exchange, User overquota

2018-01-02 Thread stefan novak
Hello! we are using Postfix as our MX Server for several mailservers, mostly dovecot. We have now implemented an exchange Server as well. We are using the reject_unverified_recipient in combination with smtp transport-table to submit the E-mail back to the exchange Server. With our dovecot backen