- Problems viewing messages and mailboxes. If a mailbox is offline. If searching doesn’t find the right emails. If emails aren’t displayed or look strange. If emails appear to be missing. If you can’t open Mail. If messages are in a Recovered Messages mailbox.
- A dimmed 'Send' button in Apple Mail means there isn't a correctly configured outgoing mail server associated with the Mail account. This outcome can happen for a number of reasons, but the two most likely are as follows: either the mail service you use made changes to its settings and you need to update your settings, or your Mail preference file is outdated or corrupt — or has the wrong file permissions associated with it.
- Select the account with the broken outgoing mail server, and then click the minus sign at the bottom. Reboot your Mac. Click the Apple menu System Preferences Internet Accounts. Click Google, and sign into your Gmail based account again. Update February 26, 2018: If you're email is still not working after this, in Mail open the Mail menu.
Welcome to the Apple Support Communities. It looks like you're unable to send or receive email from your Mac.com address.
Your Mac already has the app you need to access iMessage and the following are the steps on how to actually send and receive messages. Click on Launchpad in your Dock. Search for and click on Messages. It will launch the built-in Messages app on your Mac. When the Messages app opens, you just need to confirm you want to use iMessage.
To start, there are a few steps here that may help with an offline iCloud/Mac.com address, found in the resource titled Get help using iCloud Mail:
If you can't receive mail in the Mail app on macOS
Find the name of your iCloud email account on the left side of the main Mail window. If your account name is dimmed and has a lightning-bolt symbol next to it, your account is offline. To take your account online, connect to the Internet, then choose Mailbox > Take All Accounts Online.
If you receive an alert when you send a message from your @icloud.com email address using Mail on your Mac
“This message could not be delivered and will remain in your Outbox until it can be delivered. The reason for the failure is: An error occurred while delivering this message via the smtp server: server name.”
- Open Mail and choose Mail > Preferences.
- Click the Accounts tab.
- Select your iCloud email account.
- Click the Account Information tab.
- Choose your iCloud email account from the Outgoing Mail Server (SMTP) menu. If you choose Edit SMTP Server List, you won't see your iCloud SMTP server as an option.
If Mail says that your account appears to be offline Google apps outlook settings mac.
Mail might say that your account appears to be offline due to a network problem.
If you're connected to the Internet but your account appears to be offline, your email settings might no longer be correct. To view your current settings in Mail, choose Preferences from the Mail menu, click Accounts, then select your email account.
If you still can’t send or receive email
- Make sure that you installed the latest Mac software updates, especially if the issue occured immediately after installing a previous update.
- In OS X El Capitan or later, you might see a status icon and brief error message in the upper-right corner of the Mail window, beneath the Search field. The message might say “Network Offline” or “Login Failed,” for example. Click the message to see more details about the issue.
- Check your connection in Mail Connection Doctor. It might be able to tell you more about the issue.
Mac Mail Outgoing Server Offline
Also, for clarification, you mentioned you made the account inactive. What steps did you use for this? If the steps above don't resolve the issue, try clicking the Apple menu () > System Preferences > iCloud. Then, uncheck the box next to Mail, wait a few minutes, and re-check it.
Apple Mail Account Offline
I hope this helps you.