Slightly OT: ldap, sendmail and Exchange 5.5

Christian Campbell ccampbell at BRUEGGERS.COM
Thu Apr 22 20:31:33 IST 2004


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Christian Campbell
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> -----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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