Slightly OT: ldap, sendmail and Exchange 5.5

[Kevin Miller]

sendmail, running on SuSE 8

...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: Desai, Jason [mailto:jase at SENSIS.COM]
>Sent: Thursday, April 22, 2004 11:26 AM
>To: MAILSCANNER at JISCMAIL.AC.UK
>Subject: Re: Slightly OT: ldap, sendmail and Exchange 5.5
>
>
>What MTA are you using?  I've done something similar for Exim.
>
>Jason
>
>Kevin Miller wrote:
>> 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
>
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