Kamil Raczyński wrote:
On 2011-10-14 00:37, Michel Bulgado wrote:

[...]
I was wondering if you can implement a white list in postfix, to accept
smtp connections from the IP address of my mx server without any
authentication.
[...]

If your intention is to accept emails *only* from your external MX server and from authenticated clients, then you can add check_client_access in smtpd_recipient_restrictions and smtpd_sender_restrictions.

Best Regards
Hi Kamil

That is the big problem.

smtpd_recipient_restrictions and smtpd_sender_restrictions

smtpd_recipient_restrictions = permit_sasl_authenticated, reject_unauth_destination, reject

smtpd_sender_restrictions = permit_sasl_authenticated, check_sender_access hash: / etc / postfix / recipients, reject_non_fqdn_sender, reject_unknown_sender_domain, reject

both policies, had previously put permit_mynetworks, with this option for both cases, before implementing the SASL mechanism and even after its implementation, the servers exchange messages between them with no problem ..

But at the same time, anyone could make Phishing

Michel

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