SprintPCS SMTP Email Relay

I can not for the life of me get SMTP relaying to work using my SprintPCS account AND my own POP server.  I read that they were going to disable this option at the end of 2008, but ended up leaving the server up. Then, I heard that SMTP relaying was only going to work for older SprintPCS accounts and not new ones.  I can't get a straight answer on this, but I have tried my new SprintPCS account as well as a 2 year old account that another coworker uses.  Neither worked.
Here are the settings I use:
Server: smtp.sprintpcs.com
Port: 25
Use Authentication: Yes
User: [email protected]
Pass: (tried changing password online just to be sure)
The goofy thing is that I can use Sprint's SMTP server as long as I use my SprintPCS account for incoming as well.  As long as I'm using a POP account, it won't work.
Post relates to: Pre p100eww (Sprint)
Message Edited by thecompnerd on 11-11-2009 08:46 AM

thecompnerd wrote:
The goofy thing is that I can use Sprint's SMTP server as long as I use my SprintPCS account for incoming as well.  As long as I'm using a POP account, it won't work.
Some mail servers apparently are designed to require that you "receive before send." Perhaps Sprint uses one of those?

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            When i use SMTP Email Send File.vi,it works very well for some special mail sever such as the sever of my company,For others,while debugging it ,i use a free email address from 163 (http://mail.163.com/) or Sina(http://mail.sina.com.cn/) i get an error 66.I use the default sever port number(incoming mail sever(POP3):110,Outgoing mail sever(SMTP):25).
     Server information for 163:
       incoming mail sever(POP3)op3.163.com
       Outgoing mail sever(SMTP):smtp.163.com
     Server information for Sina:
       incoming mail sever(POP3)op3.sina.com
       Outgoing mail sever(SMTP):smtp.sina.com
    Thank you!

    According to the LabVIEW documentation error code 66 is: "The network connection was closed by the peer", which is not very helpful. There could be a number of reasons why this happens. Could also be that the server was down. I had trouble connecting to one of the sites you listed. Does the server require authentication? I tried the links you provided, but they're in a foreign language and I can't read them, so I can't tell. If authentication is required, then the SMTP VIs provided with LabVIEW won't work since they don't handle authentication. If the server requires authentication you can try the updated OpenG SMTP VIs that I had posted in this thread.

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