Hi,
Just add one more option in the master.cf file:

localhost:10026 inet n - y - - smtpd
        -o content_filter= -o myhostname=second.smtp.server

and then: telnet 127.0.0.1 10026
should display this:

Escape character is '^]'.
220 second.smtp.server ESMTP Postfix

Regards,
Mihai

Mike MacCana wrote:
>
> Howdy all,
>
> After some thought, and a couple of hassles, I've decided to implement
> my existing virus scanning SMTP server in a more secure fashion (thank
> you Ralf Hildebrandt).
>
> The setup outlined below should work like the following...
>
> * Postfix accepts incoming mails on port 25 and leads them to a
> content_filter.
> * The content_filter is now Sophos MailMonitor, which takes over the
> mails on port 10025.
> * After the mails have been scanned, they are placed back to postfix on
> port 10026, and finally postfix delivers the mails.
>
> The problem I'm having is this:
>
> Feb 7 10:55:53 hard postfix/smtp[7608]: 33CA37BFF4:
> to=<testhard.office.cyber.com.au>, relay=127.0.0.1[127.0.0.1], delay=0,
> status=bounced (mail for 127.0.0.1:10025 loops back to myself)
>
> Sophos uses itself as a gateway to the real SMTP server - ie, when you
> telnet into Sophos on 127.0.0.1:10025, it looks like you've telnetted
> into Postfix on 10026.
>
> Any idea on how I can fix the situation?
>
> Mike
>
> The instructions I wrote myself are listed below for reference...
>
> Configuring Postfix and MailMonitor
> ------------------------------------
> 1. Stop the postfix service:
>
> service postfix stop
>
> 2. Edit the file /etc/postfix/main.cf and insert this line:
>
> content_filter = smtp:127.0.0.1:10025
>
> This tells postfix to pass incoming messages to a content filter, which
> is the program listening on 127.0.0.1 port 10025
>
> 4. Edit the file /usr/local/sophos/mmsmtp/mmsmtp.cfg and change
>
> interfaces = 127.0.0.1:10025
>
> smtp_server_address = 127.0.0.1
>
> smtp_server_port = 10026
>
> This tells MailMonitor to listen on port 10025 of localhost. After it
> has processed the mails, send the messages which haven't bounced to port
> 10026 of localhost
>
> 2. Edit the file /etc/postfix/master.cf and add a line:
>
> localhost:10026 inet n - y - - smtpd -o content_filter=
>
> This tells Postfix to start a second instance of itself, running on Port
> 10026. This second version of postfix should NOT use the content filter,
> but rather just deliver the messages as normal.
>
> 5. Start MailMonitor at boot time:
>
> chkconfig --level 345 mmsmtpd start
>
> 6. Edit the file /etc/aliases and make sure the aliases for the sophos
> warning users are set up. Run newaliases when you're done.
>
> 7. Start the scanner by entering
>
> service mmsmtpd start
>
> 8. Start the postfix services by entering
>
> service postfix start
>
> The email server is now capable of scanning incoming mails.
>
> --
> ------------------------------------------
> Mike MacCana Support Consultant
> C Y B E R S O U R C E
> Level 9, 140 Queen St Melbourne 3000
> Ph : +61 3 9642 5997 Fax: +61 3 9642 5998
>
> -
> To unsubscribe, send mail to majordomopostfix.org with content
> (not subject): unsubscribe postfix-users
>

-- 
Software Developer - GeCAD The Software Company
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