McMaster University

McMaster University

Mbox - Research & Alumni Email Service

Read your mail in a web browser with ...

Administer your Mbox account

Login to the Mbox Usermin interface to:

  • change your password
  • setup mail forwarding
  • setup automatic replies

What is Mbox?

Mbox is an email service provided for contract customers of Research & High-Performance Computing Support. Mail domains served by Mbox include:


Please contact RHPCS at if you have any questions or would like more information.

Settings for mail applications

Instructions for setting up Mac OS X Mail and pine under linux can be found under Setting up mail clients on our Mail Migration documentation site.

Incoming (IMAP)

  • server:
  • port: 993
  • use SSL (OS X, iOS; Outlook) or SSL/TLS  (Thunderbird)
  • NB: leave "IMAP Path Prefix" or "Mail folder" blank (some older RHPCS mail servers required "~/mail" or "mail")

Outgoing (SMTP)

  • server:
  • port: 587
  • use SSL (OS X, iOS), TLS (Outlook, Gmail), or STARTTLS (Thunderbird, Gmail app for Android) 
  • authenticate via password
  • NB If the settings above do not work, please try port 465 with SSL.

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