If your outgoing email was working normally and stops working unexpectedly, but you can still receive your e-mails properly, it is likely that your ISP has started blocking port 25 on your Internet account. These instructions will provide a way to update your SMTP port so you can continue sending e-mails normally.
Open Outlook 2010
Click File, then INFO
Click Account Settings
Click Account Settings under “Account Settings”
List of email accounts appears.
Double-click your email account to open it
Change Account window opens.
Make sure outgoing mail server (SMTP) is: mail.YOURDOMAIN.COM
Click “More Settings” at bottom right
Click “Outgoing Server” tab
Make sure “My Outgoing Server (SMTP) requires authentication” is checked.
Make sure “Use same settings as my incoming mail server” is selected under it.
Click ADVANCED tab
Change the number 25 to 26 next to “Outgoing Server (SMTP)” – (if 26 does not work, try 587 as well)
Close Outlook and reload it
If you still have issues with your eve, Inc-hosted e-mail account please contact support by: