Mail won't send mail when in wireless mode but works fine when wired

Ok, this happens all the time. I have several pop email accounts, all of which work fine when I am hooked in to an ethernet cable, but Apple Mail won't send any of my outgoing mail form any of my accounts when i'm am working wirelessly.
I always get a message like:
Cannot send message using server smtp.name.net
I try to switch servers and I cycle through all of them, getting them same message, followed by things like:
The server response was: 5.1.2 Bad or missing RCPT domain k39sm5757680wah
Any advice.

Go to Apple Menu > System Preferences > Network, choose Network Port Configurations from the Show popup menu, and make sure that the configuration used to connect to Internet appears at the top of the list. Leave checked (enabled) only the port configuration needed to connect to Internet and Built-in Ethernet (in that order if not the same), uncheck (disable) the rest of network port configurations and see whether that helps — if it doesn’t, turn ON again the ones you want enabled.
You may use “network locations” to more easily switch between network settings if necessary, as described here:
Using network locations in Mac OS X

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Hi.
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Message was edited by: NigelC

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MrBigHands

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Anthony_VZ
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mozak wrote:
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Install Windows or Linux into VirtualBox
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Query filtering rows in the ViewObject but works fine when run in sql

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tt.tab_name,
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Try this
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Mail won't send mail when in wireless mode but works fine when wired

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