OSEC

Neohapsis is currently accepting applications for employment. For more information, please visit our website www.neohapsis.com or email hr@neohapsis.com
Re: SMTP Relay question.

From: Swati Meghanand (swati.meghanandgmail.com)
Date: Thu Dec 18 2008 - 01:31:17 CST


2008/12/18 Swati Meghanand <swati.meghanandgmail.com>

>
>
> 2008/12/18 Darren Pilgrim <postfixbitfreak.org>
>
>> The two examples above are expected behavior--postfix accepted for
>> delivery an email address to a valid address within its domain.
>>
>> How can I restrict such cases.
>>>
>>
>> Restrict such cases how? Prohibit unauthorized senders from using
>> addresses in your domain?
>
> OK, agreed
> but it means, if someone using any IP out of 'mynetworks'
> can send mails to my domains by just telnetting 25 to mailserver
> even by
> mail from: nobodygmail.com
> rcpt to: noonefoo.test.com
>

Sorry for this silly statement...
I just forgot about SMTP's nature :-(

>
>
> delivers mail, can I put some sender restrictions
> using smtpd_sender_restrictions parameter ?
>
> Darren Thnx for ur help.
>
> Regards,
> Swati Meghanand
>
>