On 10 Jul 2007 at 18:08, Brenda Dencer wrote:

> I use Firefox with my Outlook Express on my PC.  At work I cannot send
> emails because something blocks Comcast or either Outlook Express from
> sending my emails.  Who knows?  So, I either use Comcast webmail to
> receive and respond, or receive in OE and respond thru webmail.  I do
> whatever I want in Comcast, no problemo.  It's complicated and gets
> crazy sometimes, so if something weird shows up, I figure it's me. 
> This time, it's not. 

  I can at least suggest why this might be.

  I live in Mountain View, where Google provides free wireless coverage.  I 
have no trouble downloading incoming email from my ISP's server over this 
connection.
  But when I want to send email back out through the ISP's server, I'm 
blocked,because I'm not coming from my ISP's network, but from Google's.  
Traditionally, the most likely scenario for me to be sending through an 
email server with neither the sender nor recipient on that server's network 
would have been that I was trying to use it to relay spam, and so most 
legitimate email servers block this pattern.
  So my suspicion is that sending via Comcast from your work is blocked for 
the same reason.  You must send either via the company's email server, or 
find a way to connect to Comcast's network.

David Gillett

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