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How to update the Incoming/Outgoing settings for your email account in Apple Mail

Updated Nov 30th at 15:01 GMT

This article explains how to adjust mail settings for an email address you have already configured.
  1. Big Sur, Mojave, and Catalina
  2. Sierra and High Sierra
  3. El Capitan


  • Big Sur, Mojave, and Catalina

  1. In the top menu bar click Mail
  2. Select the Preferences option.
  3. Click the @ Accounts option in the top bar.
  4. Click the Server Settings tab.
  5. Edit the Incoming/Outgoing Host Name fields to match your mail server
  6. To edit the Incoming/Outgoing ports, UN-check Automatically manage connection settings. The Port field and Use TLS/SSL checkbox then appear.
  7. When finished, click the Save button

  • Sierra and High Sierra

    1. Open the Apple Mail application by clicking Mail in the top menu bar.
    2. Select the Preferences option.
    3. Click the @ Accounts option in the top bar.
    4. Click the Server Settings tab.
    5. Edit the Incoming/Outgoing Host Name fields to match your mail server
    6. To edit the Incoming/Outgoing ports, UN-check Automatically manage connection settings. The Port field and Use TLS/SSL checkbox then appear.

  • El Capitan

    1. Open the Apple Mail application by clicking Mail in the top menu bar.
    2. Select the Preferences option.
    3. Here you can edit the incoming server name. View the Email Server name table to ensure you're using the correct server name.
    4. To edit the port number, click the @ Accounts option in the top bar.
    5. Click the Advanced tab in the upper right.
    6. Edit the incoming Port number and enable/disable SSL by selecting/deselecting the Use SSL box, as needed.