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Allow Mobile Devices to Send Mail Over WIFI

deklinm asked
Medium Priority
Last Modified: 2012-06-27
My mail server is exchange 2003 ent sp2 running on windows 2003 ent.  Mobile devices who are using IMAP configurations are having unable to send mail when connected to a WIFI network.  When connected to the cellular network it works fine.  
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BusbarSolutions Architect

looks like they are connected to the external name which is nor resolvable internally by your DNS server, or the WIFI access doesn't provide SMTP access.
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i am set for 587.  i called verizon wireless and they advised me that some mail servers blocked WIFI access to them from cellular devices.  Is this true?  If it is, is there a fix?
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