Simply restart the Mac
It may be that any settings or processes get in the way and as a result, the programs do not work correctly. A restart of the system causes such problems sometimes wonders.
No Internet connection in your Mac
Make sure that your Internet connection is. Just open to test any website to the connection. If necessary, start your Router or your Modem.
Your Email Account is switched to "offline"
A wide cause of error could be that your Mail Account is active. The you will see the following icon next to your account name: wavy line in a circle (see Screenshot). In this case, as follows:
- Click in the menu bar, click "mailbox"
- There, select "take All Accounts online"
Offline Icon
The Mail account settings are incorrect
For example, if the entered password or the SMTP Server is not correct, can also be no Email sent. Check the following entries:
- Right click on "Mail" and then on "settings"
- Under the tab "Accounts", select the your from
- Make sure that the entered password is correct, enter it again
- Check whether "SMTP Server" is that of your Email provider, and not "Without".
Account settings
Your Email Account is not activated
- Open as described above, the settings and select your Account
- In the "account information" you must activate the entry "This Account" is checked to be
Account activate
All this help should not be positions to benefit from just wait and try again later. It can also be due to the fact that the Server of your Email provider together are broken - check out the Best times of the website and/or the Webmail Service of your Provider. The Situation does not change, the next day, it may help to delete your Account and create a new file.
