Slightly OT: ldap, sendmail and Exchange 5.5

[Kevin Miller]

I'll give it a read, but we're not running AD here.  Might be I can work
around that, I don't know.  Thanks...

...Kevin
--
Kevin Miller                Registered Linux User No: 307357
CBJ MIS Dept.               Network Systems Administrator, Mail
Administrator
155 South Seward Street     ph: (907) 586-0242
Juneau, Alaska 99801        fax: (907 586-4500


>-----Original Message-----
>From: Christian Campbell [mailto:ccampbell at BRUEGGERS.COM]
>Sent: Thursday, April 22, 2004 11:32 AM
>To: MAILSCANNER at JISCMAIL.AC.UK
>Subject: Re: Slightly OT: ldap, sendmail and Exchange 5.5
>
>
>Have you seen:
>http://www.sng.ecs.soton.ac.uk/mailscanner/serve/cache/270.html ?
>
>
>Christian Campbell
>Systems Engineer, Sair LCP, A+, N+, i-Net+
>Bruegger's Enterprises
>Desk: 802-652-9270
>Cell: 802-734-5023
>Fax: 802-660-4034
>Email: ccampbell at brueggers dot com
>
>PGP Public Key available via PGP keyservers
>or http://www2.brueggers.com/pgp/ccampbell.html
>
>"We all know Linux is great...
>It does infinite loops in 5 seconds."
>          -Linus Torvalds
>
>
>> -----Original Message-----
>> From: Kevin Miller [mailto:Kevin_Miller at CI.JUNEAU.AK.US]
>> Sent: Thursday, April 22, 2004 3:19 PM
>> To: MAILSCANNER at JISCMAIL.AC.UK
>> Subject: Slightly OT: ldap, sendmail and Exchange 5.5
>>
>>
>> I've noticed a lot of mail coming in lately with random
>usernames like
>> fjdoljad at ci.juneau.ak.us.  We have a few names that are a bit hard to
>> pronounce, but nothing like that!  It used to be that when
>> someone left work
>> here I could just add them to the /etc/access list.  With all
>> the ramdomized
>> addresses coming in the noise is getting annoying.
>>
>> What I'd like to do is to either query my EX 5.5 server or
>> better yet to set
>> up ldap on the same server I'm running MailScanner/sendmail
>> on and do a
>> local lookup to see if the mail is to a valid user or not.
>> If not, just
>> reject it at the MTA level and save a lot of useless
>> spam/virus checks.
>>
>> Has anybody done something along these lines, or know of a
>> good HowTo?  I've
>> been googling around but haven't found anything I can really
>> sink my teeth
>> into yet.
>>
>> Thanks.  Sorry it's a bit off topic.  Feel free to reply
>> directly if you
>> feel it's too inappropriate and don't want to clutter the list...
>>
>> ...Kevin
>> --
>> Kevin Miller                Registered Linux User No: 307357
>> CBJ MIS Dept.               Network Systems Administrator, Mail
>> Administrator
>> 155 South Seward Street     ph: (907) 586-0242
>> Juneau, Alaska 99801        fax: (907 586-4500
>>
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