Re: rejecting local users with fake envelope sender

2009-01-17 Thread D. Karapiperis
). Thanks again On Sat, 17 Jan 2009, D. Karapiperis wrote: I am trying to configure properly reject_unlisted_sender ,which utilises all possible sources of valid mailboxes or mailaliases, so that local users (originating from my_networks) can send mails using valid envelope sender ( or even

rejecting local users with fake envelope sender

2009-01-17 Thread D. Karapiperis
Hello all I am trying to configure properly reject_unlisted_sender ,which utilises all possible sources of valid mailboxes or mailaliases, so that local users (originating from my_networks) can send mails using valid envelope sender ( or even both sender and the from field) Is this possible?

[CLOSED]Validating local users through local_recipient_maps

2009-01-13 Thread D. Karapiperis
Thanks Sahil this is what I was looking for. O/H Sahil Tandon έγραψε: On Jan 13, 2009, at 8:07 AM, "D. Karapiperis" wrote: Hello all, Is there any way to validate a local user (e-mail address) on sending mail using the local_recipient_maps, (where potentially all valid e-mail

Validating local users through local_recipient_maps

2009-01-13 Thread D. Karapiperis
Hello all, Is there any way to validate a local user (e-mail address) on sending mail using the local_recipient_maps, (where potentially all valid e-mail addresses could be defined)? So that all outgoing mails from local users (local, virtual etc) are sent only by valid legitimate e

Re: Enforcing sending domain from the inside network

2008-12-31 Thread D. Karapiperis
O/H mouss έγραψε: D. Karapiperis a écrit : O/H Wietse Venema έγραψε: Since he asked for a "nice" way to specify this in Postfix, a "nice" implementation of this would look like this: /etc/postfix/main.cf: smtpd_sender_restrictions = permit_mydomain, reject_m

Re: Enforcing sending domain from the inside network

2008-12-30 Thread D. Karapiperis
O/H Wietse Venema έγραψε: Since he asked for a "nice" way to specify this in Postfix, a "nice" implementation of this would look like this: /etc/postfix/main.cf: smtpd_sender_restrictions = permit_mydomain, reject_mynetworks Where the details are hidden by restriction classes: /etc

Re: Enforcing sending domain from the inside network

2008-12-30 Thread D. Karapiperis
O/H mouss έγραψε: D. Karapiperis a écrit : Hi All I have a question regarding postfix restrictions. Is there a way for Postfix to enforce some kind of policy so that all the outgoing (allowed) mails be " @business.com" and all the others be rejected. Of course this policy

Enforcing sending domain from the inside network

2008-12-29 Thread D. Karapiperis
Hi All I have a question regarding postfix restrictions. Is there a way for Postfix to enforce some kind of policy so that all the outgoing (allowed) mails be " @business.com" and all the others be rejected. Of course this policy should be enforced only to the outgoing emails not in the incom

(χωρίς θέμα)

2008-12-28 Thread D. Karapiperis
Hi All I have a question regarding postfix restrictions. Is there a way for Postfix to enforce some kind of policy so that all the outgoing (allowed) mails be " @business.com" and all the others be rejected. Of course this policy should be enforced only to the outgoing emails not in the incoming