...
- Outlook Web Access at https://outlook.office365.com
- VPN to SLAC + any IMAP client (like Thunderbird without the Owl integration, or Evolution)
- ssh to a SLAC linux machine and use any IMAP client (eg, you can configure mutt and alpine for IMAP)
- https://citrix.slac.stanford.edu If you are already a Citrix user, you may consider reading email using this. You can run an entire Windows Desktop environment, or just a single application (like Outlook). This may not be the most convenient or quick way to bring up your email, but it is listed here for completeness.
...