<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div><span>Use www.grc.com <br></span></div><div><span>to find out what ports are being blocked by your isp use the feature shields up<br></span></div><div><span>Charter blocks port 80 and more</span></div><div> </div><div>There is still a bug in the program must use RAID!<br></div> <div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div dir="ltr"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Adam Tauno Williams <awilliam@whitemice.org><br> <b><span style="font-weight: bold;">To:</span></b> grlug@grlug.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, March 22, 2012 9:35 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [GRLUG]
Mailserver configuration<br> </font> </div> <br>
On Wed, 2012-03-21 at 16:12 -0500, L. V. Lammert wrote:<br>> Looking at proposing upgrades of mailservers for a couple of clients, and<br>> I have beeen trying to decide what would be 'best practice' for one of<br>> them that has a Charter link where their IP is in a block that I believe<br>> is on more than one blacklist.<br><br>If you have a static IP from Charter or Comcast it is probably *not* on<br>the black lists; these networks separate their dynamic and static<br>ranges and publish those ranges appropriately.<br><br>If you are attempting to host *anything* on a dynamic IP - don't.<br><br>> What options have folks used/recommend for handling incoming email? Put<br>> the server offsite? Run a frontend store/forward server? If the latter,<br>> what about outbound email?<br><br>There isn't anything special; a static IP should be able to receive<br>connections on port TCP/25 without any issues. I do this on
static<br>Comcast customers, don't recall if I've done so on Charter. Otherwise<br>if the last-mile network is a concern SMTP is trivial to host on<br>something like a Linnode or you can get excellent hosting on Open<br>[standard compliant] from companies like FastMail.fm<br><br><br>_______________________________________________<br>grlug mailing list<br><a ymailto="mailto:grlug@grlug.org" href="mailto:grlug@grlug.org">grlug@grlug.org</a><br>http://shinobu.grlug.org/cgi-bin/mailman/listinfo/grlug<br><br><br> </div> </div> </div></body></html>