The following is a list of recommended E-Mail connection settings and ports. Please review the section that is appropriate for your device.
On iPhone
Incoming Mail Server:
Host Name: mail.smtusa.com
User Name: user@yourdomain.com
Password: ***********
Advanced
Incoming Settings:
Use SSL: On
Authentication: Password
Server Port 143
Outgoing Mail Server:
SMTP: mail.smtusa.com
Host Name: mail.smtusa.com
User Name: user@yourdomain.com
Password: ***********
Authentication: Password
Server Port: 587
On Android
Incoming settings:
Username: user@yourdomain.com
Password: ***********
SMTP Server: mail.smtusa.com
Port: 143
Security type: STARTTLS
Outgoing settings:
Username: user@yourdomain.com
Password: ***********
SMTP Server: mail.smtusa.com
Port: 587
Security type: STARTTLS
On Mac Mail
Server Settings
Incoming Mail Server (IMAP)
User Name: user@yourdomain.com
Password: ***********
Host Name: mail.smtusa.com
Automatically manage connection settings: Checked
Outgoing Mail Server (SMTP)
User Name: user@yourdomain.com
Password: ***********
Host Name: mail.smtusa.com
Automatically manage connection settings: Checked
On Outlook / Desktop
Desktop (Outlook using IMAP)
Server Information
Incoming mail server: mail.smtusa.com
Outgoing mail server: mail.smtusa.com
Logon Information
User Name: user@yourdomain.com
Password: ***********
More Settings
Outgoing Server
My outgoing server (SMTP) requires authentication: Checked
Use same settings as my incoming mail server: Selected
Advanced
Incoming server (IMAP): 143
Use the following type of encrypted connection: TLS
Outgoing server (SMTP): 587
Use the following type of encrypted connection: TLS (STARTTLS in newer versions of Outlook)
On Web Mail
Enter your full email address and password as you have in the past: