Educause Security Discussion mailing list archives
Re: Outbound SMTP
From: "Jason S. Cash" <cash () UDEL EDU>
Date: Fri, 25 Apr 2008 14:22:09 -0400
On Fri, 25 Apr 2008, Jenkins, Matthew wrote:
Well, I have not received a single response saying "we allow outbound smtp." I appreciate the feedback from everyone.
We (udel.edu) allow limited outbound smtp. If your host passes certain thresholds we automatically block the traffic and manually determine if we have a legitimate email server or an infested machine. Legitimate servers get a free pass. This has worked pretty well for us so far. If only we could detect passwd phishing scams with netflow/jflow... Jason /* Jason Cash IT/Network and Systems Services University of Delaware, Newark Delaware e:cash () udel edu v: 302-831-0461 */
Current thread:
- Re: Outbound SMTP, (continued)
- Re: Outbound SMTP Deke Kassabian (Apr 25)
- Re: Outbound SMTP David Lundy (Apr 25)
- Re: Outbound SMTP Jenkins, Matthew (Apr 25)
- Re: Outbound SMTP Roger Safian (Apr 25)
- Re: Outbound SMTP ken lindahl (Apr 25)
- Re: Outbound SMTP Don Nightingale (Apr 25)
- Re: Outbound SMTP Michael Van Norman (Apr 25)
- Re: Outbound SMTP Michael Sinatra (Apr 25)
- Re: Outbound SMTP Joel Rosenblatt (Apr 25)
- Re: Outbound SMTP Basgen, Brian (Apr 25)
- Re: Outbound SMTP Jason S. Cash (Apr 25)
- Re: Outbound SMTP Michael Sinatra (Apr 25)
- Re: Outbound SMTP Michael Sinatra (Apr 25)
- Re: Outbound SMTP Joe St Sauver (Apr 25)
- Re: Outbound SMTP Scholz, Greg (Apr 25)
- Re: Outbound SMTP Halliday,Paul (Apr 25)
- Re: Outbound SMTP John Kristoff (Apr 28)
- Re: Outbound SMTP Tim Cantin (Apr 28)
- Re: Outbound SMTP Mike Porter (Apr 28)
- Re: Outbound SMTP Valdis Kletnieks (May 05)