== spam/ISP事情 ==

port 25 を閉じるISPが増えて、末端のPCからのspamが減っている模様。-- ToshinoriMaeno <<DateTime(2010-07-24T19:41:55+0900)>>


Port 25 blocking: http://www.postcastserver.com/help/Port_25_Blocking.aspx

{{{
This list contains some of the major ISPs that block port 25 on their servers:
 * AT&T (can be unblocked at the request)
 * MindSpring
 * BellSouth
 * MSN
 * CableOne
 * NetZero
 * Charter
 * People PC
 * Comcast ATTBI
 * Sprynet
 * Cox
 * Sympatico.ca
 * EarthLink
 * Verio
 * Flashnet
 * Verizon
 * MediaOne
}}}	

http://kb.mediatemple.net/questions/897/ISP+Outgoing+SMTP+Server+Listing.