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Aug 29, 2019 Open the Apple Mail application by clicking Mail in the top menu bar.; Select the Preferences option.; Click the @ Accounts option in the top bar.; Click the 'Server Settings' tab.; Edit the Host Name fields to match your DreamHost mail server name.; To edit the Incoming/Outgoing ports, UN-check 'Automatically manage connection settings'.The 'Port' field and 'Use TLS/SSL' checkbox then. May 28, 2018 Open Mail app. Select Preferences. In Accounts tab, choose the account which is Outgoing Mail Server (SMTP) labeled as Offline.; Click the SMTP server and choose Edit SMTP Server List from the list. Enter the right username and password. Solution 2:-Quit Mail app. Go to Applications Utilities Keychain Access and delete all SMTP passwords from keychain.
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Mail User Guide
Use Server Settings preferences in Mail to change options for an account’s incoming and outgoing (SMTP) mail servers.
![Port Port](/uploads/1/2/6/4/126469808/601081602.png)
To change these preferences in the Mail app on your Mac, choose Mail > Preferences, click Accounts, then click Server Settings.
Note: The settings you see vary depending on your account type.
Incoming mail server settings
Option | Description |
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User Name | Your user name on the mail server. |
Password | Your password on the mail server. |
Host Name | The name of the mail server. |
Automatically manage connection settings | Mail automatically manages settings for your email account in Mail, such as port numbers and authentication methods. If you deselect this option, you can specify the following, as directed by your email account provider:
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Advanced IMAP or Exchange Settings | Enter or change these settings as directed by your email account provider:
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Outgoing mail server (SMTP) settings
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Option | Description |
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Account | The account of the mail server. To change outgoing server settings, as directed by your email account provider, click the Account pop-up menu, then choose Edit SMTP Server List. |
User Name | Your user name on the mail server. |
Password | Your password on the mail server. |
Host Name | The name of the mail server. |
Automatically manage connection settings | Mail automatically manages settings for your email account in Mail, such as port numbers and authentication methods. If you deselect this option, you can specify the following, as directed by your email account provider:
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