Email Services: Frequently Asked Questions

• Using Microsoft 365 for CityU Student and Alumni (@my.cityu.edu.hk)

• Using Microsoft 365 for CityU Staff (@cityu.edu.hk)

• Using Microsoft 365 for CityU Staff (@staff.cityu.edu.hk, optional)

• Using Google Workspace for Education (@gapps.cityu.edu.hk)

• Using Google Workspace for Education for CityU Friends (@friends.cityu.edu.hk)

• Using Gateway for Mass e-Mailing

• Switching Default Email System

Email Security

• Virus and Spam/Phishing Email Issues:
  • What is "Spam"?
  • How do spammers get my email address?
  • How to protect my email address?
  • What should I do when I receive spam?
  • Why did I receive an undeliverable notification for an email that I have never sent?
  • How to check if an incoming email is really sent from CityU network?
  • How to scan for virus from my email? (for staff only)
  • Best practice to prevent computer virus
  • Restrictions on delivering email with unsafe attachments
  • Beware of Phishing Email
  • What is phishing email and how to avoid it?
• Server-side Spam/Junk Mail Filtering:
  • Add Addresses to “Blocked Senders” List in M365 using Outlook
  • Add Addresses to “Blocked Senders” List in M365 using OWA (Webmail)
• Report and Stop Spam Email

Related Policies and Guidelines

• Policies on Use of IT Services and Resources
• Electronic Mail Regulations
• Mass Communication and Social Computing Regulations
• Policy on Email Retention and Account Management

 

IT.ServiceDesk@cityu.edu.hk