1.) Click on Tools & then click on Accounts.



2.) Highlight the account you want to check & then click on Properties.



3.) On the General tab make sure the Email address is correct.



4.) On the Servers tab check the Incoming/Outgoing mail servers, the Account name/Password, & make
     sure that there is a check next to "My server requires authentication" and then click Settings.



5.) Ensure the bullet is next to "Use same settings as my incoming mail server" & then click OK.



6.) On the Advanced tab make sure the Outgoing mail(SMTP) server is set to 587 and then click OK.