Confused over T-Mobile messaging systems
I have T-zones, a family voice plan, and an old SE T300, which I like BTW. I can send and receive SMS without problems. When someone sent me an email to [email protected], it would come as an MMS (“picture message”) even if it was just text. In the opposite direction, if I wanted to send an email from phone, I used picture message and it was delivered as an email with a nice T-Mobile graphics and a proud “this message was sent from a T-Mobile phone”. Everything was great!
Last couple of days, I cannot be reached under my tmomail.net address, emails get bounced with a “service not available” message and they are not delivered as either SMS or MMS. ...
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First off, T-Mobile did shut off port 80 access with T-Zones, but it's been off for a while now. That just means you have to now subscribe to T-Zones to browse the web where as before you didn't, and some pda's would work with just T-Zones, now they have to have the full internet feature. So, nothing else has been turned off.
Next, GPRS does indeed transmit your mms, but you don't have to have T-Zones to use it. You account, however, must have some sort of WAP feature on it weat...
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I sent mms to myself and it arrived in an instant. So, that part works.
However, I still cannot send mms to an email address and an email sent to my tmomail.net bounces back with this:
----- Transcript of session follows -----
... while talking to mailx04.tmomail.net.:
>>> DATA
here is the rest:
----- Transcript of session follows -----
... while talking to mailx04.tmomail.net.:
>>> DATA
550 Message refused
554 5.0.0 Service unavailable
How does the system decide whether an email sent to a tmomail.net address should be delivered as SMS or MMS? Does it have to do with HTML codes in the message (or the lack of them)?