Double restrictions for SMTP Authen question ?

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Double restrictions for SMTP Authen question ?
\ Truong Tan Son (30 May 2007)
. \ Victor Duchovni (30 May 2007)
. \ Colin Campbell (30 May 2007)
. \ Truong Tan Son (30 May 2007)
. \ Truong Tan Son (30 May 2007)
. . \ Victor Duchovni (30 May 2007)
. . \ Colin Campbell (30 May 2007)
. \ Truong Tan Son (30 May 2007)
. . \ Victor Duchovni (30 May 2007)

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Subject:	Double restrictions for SMTP Authen question ?
Group:	Postfix-users
From:	Truong Tan Son
Date:	30 May 2007

Dear Sir,

I just posted unclear messages to Postfix-lists, please allow me re-post trouble.

My SASL Authen works good, but I don't know how to combine them and other restrictions in 'smtpd_sender_restrictions'.

Can I make double restrictions for imcoming messages:
1) Restriction1:
SASL Authen: check sender name && password.

2) Restriction2 (after passing restriction1):
Check permitted sender for sending messages to ouside (Yahoo Mail, Gmail, ..).

Figure port setting:
25:[Postfix] --> 10025:[TrenMicro InterScan SMB]:10026 --> maildrop

#/etc/postfix/main.cf
content_filter = scan:[127.0.0.1]:10025

#/etc/postfix/main.cf
scan unix - - n - 10 smtp
-o smtp_send_xforward_command=yes
-o disable_mime_output_conversion=yes
-o smtp_generic_maps=
127.0.0.1:10026 inet n - n - - smtpd
-o content_filter=
-o smtp_sasl_auth_enable
-o smtpd_sender_login_maps

smtpd_sender_restrictions = <do not know> ?

What should to do ?

Please support.

Thanks you and best regards,
--
Truong Tan Son.