verify existence of SMTP server windows 7

I have W7.
I wanted a SMTP , i.e mail server to use in my application programming (C#, SQL etc)
that means i will asked for "Mail Server:_________________"
But i dont have one.. I dont know if i have one.. So i used a S/W called "hmailServer"
It configured a Server for me. But i dont know If i have one SMTP Now ?

How do i verify it ??
If i have one how to i use in application programming i.e what name should i give ?
Who is Participating?
Lee W, MVPTechnology and Business Process AdvisorCommented:
Use a telnet capable client like Putty (or install Telnet in Windows Setup) and telnet to port 25 on your local PC.  If you used the command line telnet program, then you should use:
telnet 25

( is the loopback IP of your computer, 25 is the port that SMTP listens on).  Be aware, if you have firewall software, including Windows 7's firewall, it may block port 25).
B HCommented:
hopefully the internet itself can't get into your new smtp server....

you could tell your application to use the smtp server that your ISP provides for you...

just google something like "roadrunner smtp smarthost"
find the name/ip of it, and tell that to your app
misermiceAuthor Commented:
Problem not solved
Lee W, MVPTechnology and Business Process AdvisorCommented:
So why didn't you respond to our posts?  Problems get solved through two way communication you know!
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