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Workarounds to Fix Error “Cannot Send Email in Apple Mail”

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Published By Siddharth Tehri
Aswin Vijayan
Approved By Aswin Vijayan
Published On December 27th, 2022
Reading Time 5 Minutes Reading

Are you facing an issue while sending an email in Apple Mail? As when you click on “Send Button,” you find that it is dimmed. It means that you cannot send email in Apple Mail. It is not working properly as something has gone wrong.

Dimmed “Send Button” in Mac Mail actually means that SMTP associated with mail account is not properly configured. It is due to numerous reasons such as mail service, which you are using has made changes in its settings and updating is required in your settings, Mail preference file is outdated, corrupted, or wrong file permissions linked with it.

Expert Solution

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Outgoing Mail Settings

Frequently, the mail service may do changes to its mail servers that include the server which receives all your outgoing mails. Such types of mail servers are normally targeted in malware programming to move them into zombie spam servers. Due to the ever-present dangers such as can’t send email in Apple mail, the email services occasionally keep on upgrading their software server. So you need to modify the outgoing settings of the mail server in your email application.

Beforehand making any sort of changes be assured that you have a copy of settings needed by your email service. In many situations, your email service will have complete instructions for several email applications such as Apple Mail. When all these instructions are present, be sure that you follow them. If your email service only gives general instructions then, this overview for configuring your outgoing server settings is helpful.

Configuring Your Outgoing Mail Settings to Fix  Error Cannot Send Email in Apple Mail

  • Open Apple Mail email application on your machine
  • Choose an option of ‘Preferences’ from Mail menu.
  • From the Window of Mail preference, click on ‘Accounts’ button.
  • Choose mail account in which you are facing issue with from list.
  • Click on the tab of ‘Account Information’ tab to continue the process of resolving error not able to send email from Apple Mail.
  • From the section of ‘Outgoing Mail Server (SMTP)’ >> choose ‘Edit SMTP Server List‘ from the drop-down list.
  • A complete list of SMTP servers, which have been set up for your numerous of Mail accounts will show. Mail account you have chosen above will be tinted in the list.
  • Now, choose the ‘Advanced‘ tab.

Here, you can simply configure settings of SMTP server to simply match all those given by your mail server. If your email server utilizes a port other than 25, 465, or 587 then, you can enter the essential port number directly in the port field. Some earlier versions of Mail will need you to utilize the button of ‘Custom port’ radio. After that add port number is given by your mail server. Otherwise, leave set for the radio button to ‘Use default ports’ or ‘Automatically detect and maintain account settings,’ liable on the edition of Mail that you are using. Follow the steps to resolve the issue unable to send email in Mac mail

  • If mail service has set up its server to utilize SSL then, place check mark next to ‘Use Secure Sockets Layer (SSL).’
  • Utilize the Authentication drop-down menu to choose the authentication type where your mail service utilizes.
  • Then, enter credentials >> Click Ok.
  • Now, send mail again by clicking on Send Button, which is now highlighted.

Preference of Apple Mail File Not Updating

One possible cause of cannot send email in Apple Mail issue is a permission problem that will avoid Apple Mail from writing data into its preference file. Such type of permission issue will avoid you from storing updates to your email settings.

Usually, your email service tells you to do the changes in the settings for your mail account. The next time when you launch Mail then, all the settings are back to way as they were before you modifications are done. Now, you will notice that there are incorrect outgoing email settings again the Send button is dimmed.

Corrupted Mail Preference File

Another possible culprit behind the error unable to send email in Mac Mail is that Mail preference file has become corrupted or it’s unreadable. This may result in Mail to stop working, or even can stop various features from working like sending mail. Therefore, it is important to repair Apple Mail data by using some third-party utility.

Summing Up

Once the error has occurred while working creates a hurdle. Similarly, while working on Apple Mail many times users receive an error message cannot send email in Apple Mail. After understanding the user’s need we have come up with a solution to resolve this error issue.