I dont think I explained it correctly then;
scenario 1; NAIROBI to HQ (FIOS)NYC - ports 25,443,80,3389, Traffic BLOCKED scenario2; NAIROBI to ANY OTHER ISP in the NYC (RCN/TIME WARNER/BROADVIEW) ports 25,80,443,3389 Traffic not blocked flows through > From: [email protected] > Date: Tue, 24 Sep 2013 12:50:07 -0400 > Subject: Re: [NTSysADM] Connectivity issue > To: [email protected] > > On Tue, Sep 24, 2013 at 12:39 PM, J- P <[email protected]> wrote: > > Just out of curiousity I decided to telnet from Nairobi to smtp.live.com > > port 25 , and wouldn't you know it let me right in, i then decided to try a > > few more smtp servers here in the states and sure as heck it went right in. > > The Only conclusion is that FIOS is blocking it from here NY. > > Many ISPs block common service ports. Blocking TCP/25 (SMTP) is > especially common, as an anti-spam measure. > > -- Ben > >

