Sierra and High Sierra

Editing Incoming/Outgoing settings in Sierra and High Sierra

These instructions have been tested up to Mail version 11.5 and High-Sierra 10.13.6.

  1. Open the Apple Mail application by clicking Mail in the top menu bar.
    MacOSX mail edit
  2. Select the Preferences option.
    The Accounts page opens:
    MacOSX mail edit
  3. Click the @ Accounts option in the top bar.
    MacOSX mail edit
  4. Click the ‘Server Settings’  tab.
  5. Edit the Host Name fields to match the one we’ve sent you.
  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

Editing existing Incoming settings in El Capitan

  1. Open the Apple Mail application by clicking Mail in the top menu bar.
    MacOSX mail edit pref
  2. Select the Preferences option.
    The Accounts page opens:
    11 MacOSX new mail settings - Copy.fw.png
  3. Here you can edit the incoming server name. View the Email Server name table to ensure you’re using the correct server name. It is  mail.domain.com .
  4. To edit the port number, click the @ Accounts option in the top bar.
    12 MacOSX new mail imap settings.fw.png
  5. Click the Advanced tab in the upper right.
  6. Edit the incoming Port number and enable/disable SSL by selecting/deselecting the Use SSLbox, as needed.

Editing pre-existing SMTP (Outgoing) settings in El Capitan

  1. Open the Apple Mail application by clicking Mail in the top menu bar.
    MacOSX mail edit pref
  2. Select the Preferences option.
    The Accounts page opens:
  3. Click the @ Accounts option in the top bar.  Select- smpt.domain.com
    15 MacOSX new mail smtp list.fw.png
  4. Select your outgoing mail server from the available options within the Outgoing Mail Server (SMTP) drop-down list. This should be smtp.dreamhost.com.
  5. Click the drop-down again and select Edit SMTP Server List…
    The Account Information page opens:
    16 MacOSX new mail smtp ports.fw.png
  6. Click the Advanced tab.
  7. Edit the incoming SMTP Port number and enable/disable SSL by selecting/deselecting the Use SSL box, as needed.
  8. Make sure ‘Password’ is selected in the ‘Authentication’ drop-down.