Re: Performance Issues - PTR Records

2011-11-03 Thread Larry Blunk
On 11/02/2011 05:57 PM, Matt Chung wrote: I work for a regional ISP and very recently there has been an influx of calls reporting slowness when accessing certain websites (i.e google.com/voice/b) via HTTP. After performing a tcpdump and analyzing the session, I have been able to pinpoint the

Re: Outgoing SMTP Servers

2011-11-03 Thread Bill Stewart
On Mon, Oct 31, 2011 at 6:23 AM, Brian Johnson bjohn...@drtel.com wrote: For clarity it's really bad for ISPs to block ports other than 25 for the purposes of mail flow control... correct? Yes, correct. If you're using another mail submission port, you're connecting to a mail service that has