Mac mail cant send email

my mac mail rejects the ISP Cox providers server when we go to send email. We can receive email just fine. I have deleted and re-input all the correct incoming and outgoing server info and still not able to send email
Any suggestions?
mac mail v 3.6

hokie8t9 wrote:
my outgoing settings are smtp.cox.net. I also noticed with my new laptop, which is windows based, it cannot send emails on the cox isp network either. Cox insists it is not their firewall or network as we can receive email fine. thanks for your interest.
That is the name of the server, it is not the settings for the server, those are linked to below, if your settings are different your mail won't work correctly
Cox Mail Settings

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