Google Workspace Email Settings

To use Google Apps through Outlook Express,

>>POP Mail Server Configuration

Incoming Mail Server: pop.gmail.com Port 995

>>Outgoing Mail Server: smtp.gmail.com.

SMTP requires TLS or SSL

The port for TLS/STATTLS is 587.

The port For SSL, the port number should be 465.

Google Apps Mx settings:

PriorityValue/Answer/Destination
1ASPMX.L.GOOGLE.COM
5ALT1.ASPMX.L.GOOGLE.COM
5ALT2.ASPMX.L.GOOGLE.COM
10ALT3.ASPMX.L.GOOGLE.COM
10ALT4.ASPMX.L.GOOGLE.COM

Find out how to set up an Outlook account from here