Q: My iphone will not send mail.

Greetings abqman54,

Thanks for using Apple Support Communities. Based on what you stated, it sounds like the iPhone is not sending mail. I would recommend that you read this article, it may be able to help the issue.

Get help with Mail on iPhone, iPad, and iPod touch - Apple Support

1. Restart your iOS device.
2. Remove the affected email account from your device with these steps: 
    
   1. Tap Settings > Mail, Contacts, Calendars.
    
   2. Tap the email account.
    
   3. Tap Delete Account.
    
   4. Add your account again.

Cheers