Cloud email hosting lets a business build a professional email system on its own domain. Staff send and receive as yourname@yourcompany.com, with servers, storage, security and protection all handled by UD.
Paired with unlimited aliases, forwarding and auto-reply, plus AI Agent connection support, ideal for Hong Kong and trading businesses that need a professional image, reliable service and cross-border mail.
The HK plan suits local send/receive; the China plan includes built-in Smart DNS and a premium CN2 line for smooth mainland delivery. "Free" means it is built in at no extra cost; a price indicates that plan's optional monthly fee.
| Plan | Mailboxes | Space | Virus filter | Spam filter | SMTP | Mail monitoring | HK-China mail | Monthly | |
|---|---|---|---|---|---|---|---|---|---|
| Basic Email | 10 | 10GB | Free | +$60 | Free | +$125 | +$75 | HK$138 /mo | Apply |
| Business EmailMost popular | 30 | 30GB | Free | Free | Free | +$125 | +$188 | HK$288 /mo | Apply |
| Advanced Email | 100 | 150GB | Free | Free | Free | Free | +$313 | HK$788 /mo | Apply |
HK standard's HK-China mail is optional (from $75/$188/$313); for smooth mainland send/receive, choose China-optimised.
Using smart DNS routing and a local node, colleagues or customers in the mainland avoid latency, dropouts and lost mail when connecting to Hong Kong mail servers. Built into the China-optimised plan; optional by mailbox count on the HK standard plan.
Save your internal IT time, UD engineers remotely set up Outlook, Apple Mail, Thunderbird and other email clients on staff devices, ensuring correct send and receive. Charged by number of sessions.
If you need a professional custom-domain email, or must handle cross-border mail, compliance and security requirements, cloud email hosting is the most direct choice.
Just founded, need a professional custom-domain email
Centralise accounts, aliases and forwarding in one place
Local node speeds up mainland access to HK mailboxes
Lawyers, accountants, consultants, encryption & retention
Handle high order-email volume, connect AI automation
Want to move to a more stable, reliable email platform
Need full website and email one-stop hosting? Consider UD Cloud Hosting, to manage domain, website and email together on one platform.
Planning a move from an old provider, need a larger custom plan, or want to learn more about connecting an AI Agent to email? Our engineers can help plan it and will be in touch soon.
The questions we hear most about how it differs from free email, AI Agent, HK-China mail, migration, pricing and data restoration.
Cloud email hosting lets you build a professional email image on a custom domain (yourname@yourcompany.com), with a local team handling servers, security and technical support. Compared with free services, business email has clear advantages in compliance, data retention, spam filtering, AI Agent integration and technical support.
By connecting an AI Agent, your business email can auto-classify incoming mail, draft replies, extract data from orders and invoices, and trigger internal workflows or CRM updates, helping you handle a larger volume of email communication with fewer people. To learn about specific use cases, contact a consultant via the form below.
HK-China mail (SmartDNS) is a smart routing solution UD designed for HK–China business, resolving the latency, dropouts and lost mail mainland users face connecting to Hong Kong mail servers. If colleagues or customers frequently send and receive HK mailbox messages from the mainland, this feature noticeably improves the experience.
We offer a switching service including seamless email migration, free domain transfer, a rebate of unused monthly fees from your old provider, and a promise of uninterrupted service before and after the switch. All migration is handled by dedicated UD engineers.
All monthly fees are in Hong Kong dollars. Prepay 24 months for 2 extra months of service, or 36 months for 3 extra months.
All plans include data backup, retained for 3 days. If restoration is needed within 3 days, contact technical support. A remote email setup service is also available, where engineers help configure clients like Outlook, Apple Mail and Thunderbird.