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Texting issue


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Using send mail to sent text messages, 10 digit phone number followed by carriers @extention. It's been working without problem for 3+ years, now all of a sudden the emails are bounced back "undelivered" from two carriers Metro PCS and T-mobile, all others still work fine. I can send these without problems using my personal email program, but the database keeps getting kicked back


Here's the message received


This is the mail system at host gateway21.websitewelcome.com.


I'm sorry to have to inform you that your message could not

be delivered to one or more recipients. It's attached below.


For further assistance, please send mail to postmaster.


If you do so, please include this problem report. You can

delete your own text from the attached returned message.


The mail system


: host dal-tmo-mm3.syniverse.com[] said:

550 Rejecting for Sender Policy Framework (in reply to RCPT TO command)

Reporting-MTA: dns; gateway21.websitewelcome.com

X-Postfix-Queue-ID: D8C286F296C30

X-Postfix-Sender: rfc822;

Arrival-Date: Wed, 23 Sep 2015 23:51:53 -0500 (CDT)


Final-Recipient: rfc822; removed@tmomail.net

Action: failed

Status: 5.0.0

Remote-MTA: dns; dal-tmo-mm3.syniverse.com

Diagnostic-Code: smtp; 550 Rejecting for Sender Policy Framework

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