K bharathan wrote:
in my access map 'mydomains' alongwith other allowed domains i've put an entry as follows:
<>                     OK
example.com <http://example.com>      OK
is the above null sender is required ?! will this cause any harm? i think i'd try config sasl-auth
-bharathan

Please post your responses at the bottom of the message (after the text to which you are responding).

> smtpd_sender_restrictions =
> check_sender_access hash:/etc/postfix/mydomains

Remove that check_sender_access restriction, and configure SASL properly. You are an open relay for anyone claiming to be from example.com (or <>).

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