[Mimedefang] sendmail access.db question
fmarsolais at gpinet.com
Thu Oct 6 13:08:49 EDT 2005
>"Martin J. Dellwo" wrote:
>> I have implemented an access.db with FEATURE(`access') in sendmail, with
>> lots of 'To:<someword>@domain.com REJECT' lines to block unknown users
>> (or currently unknown but former users). Does this get checked before
>> or after MIMEDefang? How would I distinguish this in the mail syslogs>
>> (I have pretty high logging level turned on). If the user is unknown on
>> the system and would therefore be rejected anyway, am I gaining anything
>> by using the access.db?
>To blacklist a recipient, you must have the blacklist recipients feature
>enabled. If you have blacklist recipients enabled, it would get checked
>If you really want to blacklist recipients, use the virtusertable -- it
>is MUCH simpler. In fact, we have found the easiest way to bounce email
>for any user that does not exist any longer is to list all valid users in
>the virtusertable, then create an entry such as:
>@ourdom.com ERROR:5.1.1:"550 No such user in domain ourdom.com"
>Or, you could explicitly reject a former user by:
>joe at ourdom.com ERROR:5.1.1:"550 Joe don't live here no more"
>Hope this helps!
>Jon R. Kibler
>Chief Technical Officer
@ourdom.com ERROR:5.1.1:"550 No such user in domain ourdom.com"
goes in the access db
What would the entry in virtusertable look like?
Frank Marsolais, MCSE, CCA
Phone (631) 761-7348
Fax (631) 422-3479
Cell (917) 923-2600
FMarsolais at gpinet.com
More information about the MIMEDefang