Do you control the firewall at HQ? Are there any country-specific deny rules in place, or ip-based deny rules that correspond to your Kenyan ip addresses?
On Tue, Sep 24, 2013 at 12:58 PM, J- P <[email protected]> wrote: > 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 > > > > >

