Educause Security Discussion mailing list archives
Re: blocking port 25 at the border?
From: Matthew Keller <kellermg () POTSDAM EDU>
Date: Fri, 24 Aug 2007 01:10:11 -0400
On Thu, 2007-08-23 at 15:08 -0600, Bob Bayn wrote:
Do you regulate port 25 at the border?
We control all inbound AND outbound port 25 usage. Legitimate, IT-endorsed mail servers are all that are allowed either way. Rationale includes ensuing mail is scanned prior to delivery/transfer. We do allow POP/IMAP/Webmail/etc. outbound. -- Matthew Keller Information Security Officer & Network Administrator Computing & Technology Services State University of New York @ Potsdam Potsdam, NY, USA http://www.potsdam.edu/
Current thread:
- blocking port 25 at the border? Bob Bayn (Aug 23)
- <Possible follow-ups>
- Re: blocking port 25 at the border? Mark Borrie (Aug 23)
- Re: blocking port 25 at the border? Gary Flynn (Aug 23)
- Re: blocking port 25 at the border? Randy Marchany (Aug 23)
- Re: blocking port 25 at the border? Gary Flynn (Aug 23)
- Re: blocking port 25 at the border? Dave Koontz (Aug 23)
- Re: blocking port 25 at the border? H. Morrow Long (Aug 23)
- Re: blocking port 25 at the border? Mark Borrie (Aug 23)
- Re: blocking port 25 at the border? Kenneth Arnold (Aug 23)
- Re: blocking port 25 at the border? Lutzen, Karl F. (Aug 23)
- Re: blocking port 25 at the border? Matthew Keller (Aug 23)
- Re: blocking port 25 at the border? Curt Wilson (Aug 24)