Although we don't directly support other email clients, you can use any standards-based email client with your Connect/Google Apps account.

If you are sending/receiving through Google's SMTP or IMAP using a Google account, an App Password is required when using 2-Step Verification.

How to "Send Mail As" from Another Account

Incoming mail server type: IMAP
Incoming mail server name:
Incoming mail server port: 993
Use secure connection: SSL (TLS/STARTTLS if available)
Outgoing mail server name:
Outgoing mail server port:

Port for SSL: 465

Port for TLS/STARTTLS: 587

Use secure connection: SSL
Outgoing mail server requires authentication: Yes
Directory server: (only available on-campus)
Search base / base dn: ou=people,o=ucsb
Authentication: simple
User name: uid=x,ou=people,o=ucsb
Password: [password]