Mac Mail Stuck in Outbox | Fix the Mac Mail Not Sending Problem

facing email not sending issue because mac email stuck in outbox?

some mac users who upgraded mac mail experience some problems sending an email as emails from mac mail remain stuck in outbox. Usually this is in the form of some server connection error, a mailbox going offline, repeated request for a mac mail password, or some other connection error. it’s a fairly common problem you’re facing if you’re one of those who wants a solution.

cause of mac mail not sending stuck in outbox outbox in apple mail appears only when an email you are trying to send cannot be sent. this usually happens due to situations where you are working in offline mode or there is a connection problem. the outbox will disappear once the mail is sent. you can check several things to make sure the email in the outbox is sent successfully or not.

fix if email on mac mail stuck in outbox

mac mail is a very useful email client to navigate, that is; send and receive emails without going through the hassle of opening a browser to check emails. but like most apps, it’s not perfect. often you may experience some problems with mac mail client like your inbox not syncing properly or mac mail not sending issue and here we are discussing about mac mail not able to send emails and how to take certain steps to solve the problem. there are four that you should be aware of a situation you may never fail to check.

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#1 checking email address

If you are sending an email to the email address and it is incorrect, then the recipient’s email server will not deliver the email. always double check the address you entered before sending and forwarding mail. if you see that it stays in the outbox again, there may be a connection problem.

output tray #2 setting

One of the possible reasons why email problems stay in the outbox and mac mail can’t send mail is a connection problem. such issue can arise when mac mail is not properly filled in account settings sections. to check and edit the desired correction, go to the mail header>click preferences> click accounts. Please check your mail setup (your mail settings) against the documentation you received from your email service provider to ensure it is completed correctly.

#3 checking internet connection

another reason email appears in the outbox is that your computer is not connected to the internet. go to system preferences panel > click network. From the left side of the network box, see if you have a green light under ethernet or wi-fi (your means of connection). if there is a red light, it means that your system is not connected to the internet. contact your internet service provider to report this issue and find out if the connection issue is temporary.

#4 configure outgoing mail settings

  1. start mac mail & select preferences from the menu.
  2. from the preferences window, click the accounts button.
  3. select the email account that is giving you trouble.
  4. now click on account information and server settings. the selection depends on the version of mac you are using.
  5. in the ‘outgoing mail server (smtp)’ section, select ‘edit smtp server list’ from the dropdown menu.
  6. a list of all configured smtp servers will be displayed. the mail account you select will be highlighted in the list.
  7. click ‘server settings’ and make sure the server or hostname is entered correctly here.
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#5 mail preference file corrupt

The other possible reason for mac mail stuck in outbox issue is “mail preferences file is corrupted or unreadable”. this situation can cause mail to stop working or prevent mail from being sent from mac mail.

Before proceeding, make sure you have a backup of your mac, as the following methods to repair apple mail may lead to loss of email information including account details.

recommended solution: repair apple mail emails

conclusion

The appearance of outbox or mac mail stuck in outbox is a temporary situation, and many times the problem is solved in a short time. if you can wait for a while to see if the problem fixes itself, or solve it using the manual solution mentioned above. If the problem is not resolved, you may need to contact your internet service provider or email service provider.

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