certain mail not being delivered.

[rbtux]

(04-21-2009 01:32 AM)nesto Wrote:  Hello - I do have quite the same problem.

Great... :-)

(04-21-2009 01:32 AM)nesto Wrote:  - Do I have to fully deactivate policyd-weight or can I make further modifications to only prevent from rejecting these mismatches? I wouldn't mind if emails were marked as spam if at least not rejected

No you don't as I mentioned above...
Alter or generate a config policyd-weight.conf (in /etc or /usr/local/etc or distro specific depends on how you have installed policyd-weight) that contains:

Code:

$dnsbl_checks_only = 1;

and restart policyd-weight

(04-21-2009 01:32 AM)nesto Wrote:  - What is the difference of reject_invalid_helo_hostname and reject_non_fqdn_helo_hostname?

from man 5 postconf

Code:

reject_invalid_helo_hostname (with Postfix < 2.3: reject_invalid_hostname)
    Reject the request when the HELO or EHLO hostname syntax is invalid.
    The invalid_hostname_reject_code specifies the response code for rejected requests (default: 501).
reject_non_fqdn_helo_hostname (with Postfix < 2.3: reject_non_fqdn_hostname)
    Reject the request when the HELO or EHLO hostname is not in fully-qualified domain form, as required by the RFC.
    The non_fqdn_reject_code parameter specifies the response code for rejected requests (default: 504).

means some none ascii chars in helo is rejected by reject_invalid_helo_hostname,
helos like "MSEXCH01" (yes this is very common;-)) are rejected by reject_non_fqdn_hostname

(04-21-2009 01:32 AM)nesto Wrote:  - Why do I have authentication failures (e.g. with scripts using .NET trying to send email - see Type II, two warnings)?

you might need to enable some other mechanisms -> output of postconf -n might help...