From: AlxFrag (alxfraggmail.com)
Date: Mon Feb 18 2008 - 01:38:45 CST

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Osni Passos wrote:
>
> I imagine that you refer to the parameter mynetworks in any way that I need external IPs sending e-mail, therefore need to be authenticated SMTP.
>
> My configuration should not be allowing this, the research that I did.
>
> Any ideas?
>
> Osni Passos
>
> OFone: +55 (47) 3454 6711, F+55 (47) 8429-7635 e ++55 (47) 8807-9320 (Alternativo)
> 8e-mail: osniinfotechsolucoes.net
> website: http://www.infotechsolucoes.net
>
>
> -----Mensagem original-----
> De: owner-postfix-userspostfix.org [mailto:owner-postfix-userspostfix.org] Em nome de Evan Platt
> Enviada em: domingo, 17 de fevereiro de 2008 23:02
> Para: postfix-userspostfix.org
> Assunto: Re: Postfix running without authentication (SMTP)
>
> At 05:45 PM 2/17/2008, Osni Passos wrote:
>
>> Hello,
>>
>> It was installed and configured Postfix in Ubuntu-Server through a
>> tutorial (http://gutocarvalho.net/mediawiki/index.php/Postfix_Pantaneiro).
>>
>> It is working perfectly, except for one problem: Send e-mails
>> without authenticating, so spamers are doing a party in my server.
>> How do it only allows the sending of emails with authentication?
>>
>> My main.cf is attached
>>
>
> I'm no Postfix expert, but you're at least misting a trustednetworks
> statement...
>
> Might want to read through http://www.postfix.org/basic.html to see
> what else you'll need.
>
>
>
>
see postfix SASL in http://www.postfix.org/SASL_README.html

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