Realized that at some point my script for exporting all email addresses from Microsoft Exchange got moved out of the document root. It’s back, and you can find it here. I haven’t tested it in a while (since we moved from Sendmail/SpamAssassin to IronPort at work), but it worked well enough when we were using it.
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FYI, I’ve been distributing a local copy of the script from my own web site. I have clients who use a slightly modified copy of it to pull a list of valid email addresses from their exchange server in order to create a “validrcptto.cdb” file for qmail (with the appropriate patch, of course.) Details here…
http://qmail.jms1.net/patches/validrcptto.cdb.shtml
If you’d like me to change the link or include a more specific link back to your site, let me know.
Thank you for writing this script- it saved my bacon when I first found it, and knowing it was available and how to use it has gotten me a few other clients since then.