DNS Cache and Sendmail Msg-Id

Derek Winkler dwinkler at ALGORITHMICS.COM
Tue May 20 18:31:25 IST 2003

Couple of kinda off topic questions...

Is setting up a caching DNS server for the MailScanner machine a good idea?
Not sure how this would effect RBL lookups.

How unique is the sendmail message id, is it unique for that day or until
the process ids rollover or some other method used? Searched the internet
for this but couldn't find anything.


Derek Winkler
Security Administrator
Algorithmics Inc., Toronto
Tel: (416) 217-4107
Fax: (416) 971-6263
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