Best premium mail in

Singapore

Business email on your own domain, configured for deliverability from the first message. Authentication, filtering, and DNS records are handled for you.

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A Free Address Undermines a Credible Business

A client, supplier, or bank that receives an invoice from a free personal mailbox reads it as unpolished, not professional. In Singapore's business environment, a domain-matched email address is one of the simplest signals that a company is properly established and worth trusting with a contract. Professional email is a small investment that pays back in credibility every time a message is opened.

Phishing and BEC Are Rising Fast, and Getting Harder to Spot

The Cyber Security Agency of Singapore's (CSA) Singapore Cyber Landscape 2024/2025 report found phishing cases surged 49% to more than 6,100 in 2024, with banking and financial services the most frequently spoofed sector and 12% of phishing emails already containing AI-generated content. Business email compromise sat among the top five scam types by total amount lost, with the Singapore Police Force reporting that scam and cybercrime victims lost S$913.1 million in 2025 overall, and median losses actually rising to S$1,644 per case even as case numbers fell. The threat has grown more sophisticated too: in March 2025, a finance director at a multinational firm in Singapore authorised a US$499,000 transfer after joining a Zoom call where every other "executive" participant was an AI-generated deepfake, only discovered when a second transfer attempt triggered police involvement.

Unverified Domains Get Sent to Spam or Blocked

Mailbox providers score every sending domain before a message reaches an inbox. A domain without SPF, DKIM, and DMARC authentication looks unverified to these filters and gets routed to spam or blocked outright, regardless of how legitimate the sender is. Every quote, invoice, or follow-up lost this way is business the company never knew it lost.

Singapore's PDPA Applies Directly to Business Email

Singapore's Personal Data Protection Act (PDPA), enforced by the Personal Data Protection Commission (PDPC), requires organizations to implement reasonable security arrangements to protect personal data and to notify the PDPC and affected individuals of qualifying data breaches. Security awareness training is increasingly expected under this and related frameworks, including MAS Technology Risk Management guidelines for financial institutions. Business email, where customer records, contracts, and payment instructions are exchanged daily, falls directly within the scope of the PDPA.

What to Do Right Now

Every week spent on an unverified or personal mailbox adds to the risk of impersonation, blocked mail, and BEC fraud. Singaporean businesses should move to a verified company domain, implement SPF, DKIM, and DMARC authentication, and require phone or callback verification — using a number already on file — for any payment or bank-detail change requested by email. UCN Mail is built to make that shift straightforward — professional email with the authentication, security, and reliability a Singaporean business needs to be trusted and reach the inbox.

Everything a team in Singapore needs to run email. Included on every mailbox, on every tier.

Drive storage Hot

Store files and share them by link, publicly or with specific people.

Calendar & contacts Hot

Every mailbox comes with a calendar and address book that sync to any device.

Dedicated UCN Mail app

Native apps that keep every mailbox in sync wherever you are.

Spam & threat filtering

Spam scoring, malware scanning, and phishing links stopped before delivery.

Standard SMTP, IMAP & POP3

Ports 587, 993, and 995 — any client connects without a plugin.

SPF, DKIM & DMARC

Sender authentication configured for you, and verified on every message.

Guided DNS setup

We generate the exact records for your domain and check propagation for you.

Works with any registrar

The records we hand you are the same wherever your domain is parked.

Built for teams in Singapore. Connect your domain and start sending the same day.

Guided onboarding

We generate the DNS records for your domain and verify them with you.

Scales with your team

Add or remove mailboxes as your team in Singapore changes.

Responsive support

Our team replies within 24 hours, in any timezone.

66 Vendor Payment Scams Cost Businesses $19 Million in Under Five Months
The Singapore Police Force issued a formal advisory in May 2026 after at least 66 business email compromise cases involving fraudulent vendor payment changes were reported since January 1 that year, totalling at least $19 million in losses. Police-reported figures for the first half of 2026 show BEC losses nearly tripled to S$57.3 million as case numbers rose 68%, making it one of the fastest-growing scam categories even as overall scam losses fell nationally. A properly authenticated business domain makes it significantly harder for a scammer to convincingly spoof your business's identity in this kind of vendor-impersonation scheme.

PDPA Enforcement Doesn't Exempt Small Companies
Singapore's Personal Data Protection Act applies to nearly every private-sector business handling personal data, with no small-business exemption, and any notifiable data breach must reach the PDPC within three calendar days — a deadline many SMEs miss. Recent PDPC enforcement decisions show breaches tied to ransomware and account compromise are common triggers, which makes a properly secured business inbox directly relevant to staying on the right side of that three-day clock.

Every Vendor Payment Change Should Get a Phone Call, Not Just an Email
Cybersecurity advisors consistently point to one rule that stops the overwhelming majority of invoice redirection scams: never change a supplier's bank details based on an email alone, verify by phone using a number already on file. That habit works best alongside an email system built to make impersonation harder in the first place, rather than relying on staff vigilance as the only line of defense.

A Free Gmail Address Still Undercuts a Serious Business
Many small Singaporean businesses default to a personal Gmail address, which can look informal next to a competitor emailing from [email protected]. A domain-matched address is a small, low-cost way to look as established as the business actually is.

Getting Started: What You'll Need
Have your domain name ready (or one to register), a short list of who needs a mailbox, and about 15–20 minutes to update your domain's DNS records with your registrar. UCN Mail handles domain verification and authentication setup, so your invoices and client correspondence land reliably — and are far harder for a scammer to convincingly spoof.

Mail questions for Singapore

Answers for teams running email from Singapore.

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Simple, per-mailbox pricing. Mix and match tiers across your domain.

Lite

$1/ mailbox / mo
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  • 5 GB storage
  • 500 emails/day
  • Email in your browser
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Basic

$2/ mailbox / mo
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  • 15 GB storage
  • 1,500 emails/day
  • Email in your browser
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Pro

$5/ mailbox / mo
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  • 50 GB storage
  • 5,000 emails/day
  • Email in your browser
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Business

$9.99/ mailbox / mo
Get started
  • 150 GB storage
  • 10,000 emails/day
  • Email in your browser
  • Calendar & contacts
  • Drive storage

Included in every tier, at no extra cost.

Any email client Spam & threat filtering Dedicated UCN Mail app SPF, DKIM & DMARC

Billing is per mailbox — add mailboxes on any tier as your team grows, and change a mailbox's tier anytime from your dashboard. There's no separate account-wide plan to manage.

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