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I send SMS's but they don't arrive

 
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jackiebaron



Joined: 20 Jul 2007
Posts: 3
Location: Geneva

PostPosted: Fri Jul 20, 2007 6:34 am    Post subject: I send SMS's but they don't arrive Reply with quote

I've just downloaded the eval copy of NotePager Pro and installed it. I've configured a carrier. Basically I am on a company LAN connected to the internet. I configured a carrier (SMTP), supplied my domain name, created a couple of test recipients, one on KPN telecom, one on Vodafone and then gave it a go.
I sent a couple of test texts to the recipients using various parameters (Relay via my SMTP gateway or simply straight through DNS). Each recipient is their mobile number @vodafone.net or kpn.com.

My little connection history window shows the sequence of the message being sent and the various handshakes, etc such as "sender ok", "recipient ok" and so on....finally the log ends with:

Successful: To <recipient> From <me> 'hi there this is my test sms'

......but no messages arrive at any of our mobiles

Any clues?

thnx

jackie


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Tech Support



Joined: 25 Aug 2003
Posts: 4041

PostPosted: Fri Jul 20, 2007 8:40 am    Post subject: Reply with quote

Generally, this will happen in one of three cases.

The mail is being filtered by your connection so that the transaction takes place, the program thinks it's delivered the data packet to the recipient's mail server, but the packet is actually filtered before it ever leaves your computer. Norton, McAfee, Zone Alarm, and other firewall/antivirus programs can do this.

The recipient's address doesn't exist. This isn't very likely since you should get a "invalid recipient" message in the dialer log but there are carriers that function more like Email servers than SMS Terminals. Vodaphone might be one of them, I'm not sure. Basically, bring up your regular email program and see if you can email your cel phone. If you can, then the recipient address does exist. If you can't... well, you'll probably want to call the carrier to find out what you should be using.

The third potential cause is that the mail is being filtered by the receiving mail server. What could be happening is the message could be accepted by the Vodaphone mail server but after receiving it, it filters it out as spam or fails to direct the message at the mailbox. This might happen because the variable you're using as the Sender's Name doesn't resolve to a valid address on the local domain you've entered. It could also happen if your ISP or specific network have been graylisted or blacklisted by the carrier you're trying to send the information to.



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