Relay for addresses (IPs, not email) and use smtp auth for all the rest.
That is the only secure set up for your mail server.
-----Original Message-----
From: Greg Richards <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Wednesday, April 04, 2001 9:14 AM
Subject: Re: [IMail Forum] Open Mail relay
>Yes i just did join, where would I find info on RTFM, RTFKB, RTFMLA.
>
>Smtp auth might be tough, some of our customers have mail server connecting
>to ours also.
>
>----- Original Message -----
>From: "Len Conrad" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Wednesday, April 04, 2001 8:21 AM
>Subject: Re: [IMail Forum] Open Mail relay
>
>
>>
>> >Whats the easiest way to secure my mail server (imail 6.06) from
>> >being an open relay.
>>
>> oh, just joined the list?
>>
>> easiest: RTFM, RTFKB, RTFMLA, it's been explained godzillion times. :))))
>>
>> < and they're all the same explanation >
>>
>> > We are an ISP and putting in all the ip's (even subnets) could be
tough
>>
>> SMTP AUTH is your friend.
>>
>> >, but I'm considering it. What about the "relay mail for local
>> >hosts" or "local users" option?
>>
>> Just Say No.
>>
>> >Will this require any changes to the end users?
>>
>> Cut off their hands, seal their lips, remove their wallets.
>>
>> >There are maybe a thousand users already using.
>>
>> Bite the Bullet and have them all switch to SMTP AUTH.
>>
>> Read all about it: http://www.mailops.com/Help/SMTP/SMTP%20AUTH.htm
>>
>>
>> Len
>>
>>
>> http://MenAndMice.com/DNS-training : In Austin, TX; SFO, CA; Paris,
>> FR
>> http://BIND8NT.MEIway.com : ISC BIND 8.2.3 "NT3" for NT4 & W2K
>> http://IMGate.MEIway.com : Build free, hi-perf, anti-abuse mail gateways
>>
>>
>> Please visit http://www.ipswitch.com/support/mailing-lists.html
>> to be removed from this list.
>>
>> An Archive of this list is available at:
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>>
>>
>
>
>
>Please visit http://www.ipswitch.com/support/mailing-lists.html
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>
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>
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