Educause Security Discussion mailing list archives
Re: Reverse DNS
From: Dexter Caldwell <Dexter.Caldwell () FURMAN EDU>
Date: Wed, 21 Jan 2009 10:59:52 -0500
I'm not sure reverse DNS is all that much help, but dns blocklisting/blackholing might be more useful. The link below helps show you how... http://malwaredomains.com/?page_id=6 Dexter Caldwell Information Security Administrator Computing & Information Services Furman University The EDUCAUSE Security Constituent Group Listserv <SECURITY () LISTSERV EDUCAUSE EDU> writes:
I am wondering if any institutions have enabled reverse DNS on their incoming emails to help block spam? If you use it, how many legitimate emails are blocked? If you don't use it, what other measures do you employ to help reduce the amount of spam that makes it through your spam filter? Thanks, Daniel Bennett IT Security Analyst Security+ PA College of Technology One College Ave Williamsport PA 17701 (P) 570.329.4989
Current thread:
- Reverse DNS Daniel Bennett (Jan 20)
- <Possible follow-ups>
- Re: Reverse DNS Valdis Kletnieks (Jan 20)
- Re: Reverse DNS David Gillett (Jan 20)
- Re: Reverse DNS Jesse Thompson (Jan 21)
- Re: Reverse DNS Dexter Caldwell (Jan 21)