>-- Mensaje Original --
>To: cobalt-users@xxxxxxxxxxxxxxx
>From: David Lucas <david@xxxxxxxxxxxxxxxx>
>Subject: Re: [cobalt-users] How to stop SPAM senders?
>Reply-To: cobalt-users@xxxxxxxxxxxxxxx
>Date: Mon, 05 May 2003 11:51:06 -0500
>
>
>At 11:35 AM 5/5/2003, you wrote:
>>So...
>>Which is the advantage to set ON this function?
>>For what the cobalt team put this option?
>>Thanks
>
>To allow authorized users to send mail through the server.
>
>> >-- 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
>> >To contact us offlist: "http://www.nobaloney.net/contactus.html";
>> >
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