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Re: [cobalt-users] How to stop SPAM senders?
- Subject: Re: [cobalt-users] How to stop SPAM senders?
- From: "Eduardo Percossi" <Eduardo@xxxxxxxxxxxxx>
- Date: Mon May 5 09:36:03 2003
- List-id: Mailing list for users to share thoughts on Sun Cobalt products. <cobalt-users.list.cobalt.com>
So...
Which is the advantage to set ON this function?
For what the cobalt team put this option?
Thanks
>-- Mensaje Original --
>From: Jeff Lasman <jblists@xxxxxxxxxxxxx>
>To: cobalt-users@xxxxxxxxxxxxxxx
>Subject: Re: [cobalt-users] How to stop SPAM senders?
>Reply-To: cobalt-users@xxxxxxxxxxxxxxx
>Date: Mon, 05 May 2003 09:05:16 -0700
>
>
>wcstaff wrote:
>
>> I would first turn on pop b4 SMTP mail relaying. Then they will not (or
>at
>> least it will limit) be able to send using your sendmial, without
>> verification. I would check the sendmail logs.
>
>Tom, I believe that you, like many of us, are under a slight
>misconception about how POP Before SMTP works.
>
>Many of us believe that POP Before SMTP makes a RaQ more secure, and
>that without it anyone can relay through the server.
>
>That's NOT true. By default fully patched RaQs are quite secure. Pop
>Before SMTP makes them less secure, in that it allows people to log in
>via POP to authenticate to allow themselves an arbitrary number of
>minutes to relay email through the server.
>
>With POP Before SMTP you CAN really, as long as you have an email
>account to verify with, and with POP Before SMTP your clients CAN relay
>spam and other email through your server. Without POP Before SMTP your
>clients CANNOT relay any email through your server.
>
>I hope this clears things up a bit.
>
>Jeff
>--
>Jeff Lasman, nobaloney.net, P. O. Box 52672, Riverside, CA 92517 US
>Internet & Unix/Linux/Sun/Cobalt Consulting +1 909 778-9980
>Our jblists address used on lists is for list email only
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>
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