HGC Broadband (Home)
Website: https://www.hgcbroadband.com/tc/support/support/technical-support/broadband-service
Customer and Support Hotline: 1223
Pop3: pop.hgcbroadband.com
SMTP: mail02.hgcbroadband.com
HGC Broadband (Business)
Website: https://www.hgcbiz.com/zh/contact-us
Customer Hotline: 122
Support and Fault Hotline: 3160-3160
HKBN Broadband (bbmail.com.hk)
Customer Hotline: 128-180
24-Hrs Emergency Repair and Technical Hotline: 3999-3666
Webmail: https://www.bbmail.com.hk/
Pop: pop3.bbmail.com.hk (Port 110)
Imap: Seem no IMAP support (Not Sure)
Smtp: smtp.bbmail.com.hk (Port 25, required auth)
Outlook Setting
Pop/Imap: outlook.office365.com
SMTP: smtp.office365.com
Pop: 995 TLS
Imap: 993 TLS
SMTP: 587 STARTTLS
ICDSoft
Pop/Smtp/Imap : mail.<server name>
Pop: 995 SSL
Imap: 993 SSL
SMTP: 587 TLS