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Michel Donais

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Feb 7, 2016, 3:43:12 PM2/7/16
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At our site, we operate a main Centos-5 server wich hold about 20 thin clients.
The server and thin clients can send and receive mail over the web using postfix.

Aroud this server we have 3 other servers, an Sco Openserver 5.0.4, a Windows server 2004 and a Centos-6. These servers can communicate (send/receive) mail to and from the main server and the thin clients. The Sco and linux are running sendmail the windows Outlook.

My problem to settle, is that these 3 servrers can't send or receive mail from the web. They are blocked I think by postfix on the main server.
I tried a lot of configuration on main.cf, transport, access and virtual without success.

----- here find a transaction from 'maillog' on the Centos-5 -----
Feb 7 09:33:48 linux postfix/smtpd[8646]: connect from sortie.donais.ca[192.168.2.1]
Feb 7 09:33:48 linux postfix/smtpd[8646]: NOQUEUE: reject: RCPT from sortie.donais.ca[192.168.2.1]: 554 5.7.1 <mido...@gmail.com>: Relay access denied; from=<ro...@donmat.donmat.com> to=<mido...@gmail.com> proto=ESMTP helo=<donmat.donmat.com>
Feb 7 09:33:48 linux postfix/smtpd[8646]: disconnect from sortie.donais.ca[192.168.2.1].

- - - - transaction end - - - - - - - - - - - - - - - - - - - - -

Can somebody drive me toward a solution?



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Michel Donais
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