Email Infrastructure for the Next Business Era

Custom-domain email,
reimagined for business.

NBXTD Mail is a custom-domain email platform for businesses that want to manage sending, receiving, inboxes, mailboxes, aliases, AI summaries, AI reply drafting, and domain-based email operations from one modern dashboard.

SOC-ready audit logs Resend-powered delivery Custom domains
mail.nbxtd.com/inbox
John Smith

Welcome to NBXTD

AI: Sales Lead
Stripe Billing

Invoice #2847

AI: Billing
Sarah Johnson

Re: Support #4821

AI: Support

John Smith

john@techstart.io

AI Summary available
Platform

Everything you need to run business email

One unified dashboard for sending, receiving, organizing, and securing email across your entire domain.

Custom Domain Mailboxes

Create unlimited mailboxes and aliases on your own domain. Full DNS management with SPF, DKIM, and DMARC verification built in.

Shared Inboxes & Teams

Assign multiple users to a single mailbox. Control permissions for sending, receiving, deleting, forwarding, and rule management.

AI Email Assistant

Automatic summaries, smart categorization, reply drafting, contact extraction, and task detection — powered by built-in LLM integration.

Resend-Powered Delivery

Enterprise-grade sending and receiving infrastructure via Resend API. Real-time webhooks, delivery tracking, and bounce handling.

Security & Audit Logs

Every action is logged. Full audit trail of who did what, when, and from where. Compliance-ready for enterprise requirements.

Rules & Automation

Build custom email rules with conditions and actions. Auto-reply, forwarding, labeling, folder routing, and AI-based categorization.

AI Email Assistant

Your inbox, intelligently organized

Every email is automatically summarized, categorized, and analyzed for urgency. Draft AI-powered replies, extract contacts and tasks, and search using natural language — all without leaving your inbox.

  • Instant one-click email summaries
  • Smart categorization: sales lead, support, billing, compliance, and more
  • AI-drafted replies in your tone — professional, concise, or friendly
  • Automatic contact and task extraction from email content
  • Natural language search across your entire mailbox
AI Email Analysis
CategorySales Lead
UrgencyMedium
SentimentPositive

AI Summary

John from TechStart is interested in your services for their growing startup. He wants to schedule a call next week to discuss partnership options.

Suggested Reply

Hi John, thanks for reaching out! I'd be happy to discuss how we can support TechStart...
Custom Domain Mailboxes

Own your domain. Own your email.

Create unlimited mailboxes and aliases on your custom domain. Full DNS management with SPF, DKIM, DMARC, and MX record verification — all from one dashboard with copy-to-clipboard convenience.

  • Unlimited mailboxes per domain (info@, support@, billing@, sales@)
  • Email aliases that forward to existing mailboxes
  • Automatic DNS record generation and verification
  • Granular per-mailbox permissions: send, receive, delete, forward, rules
  • Shared inboxes with multi-user access and role-based control
nbxtd.comVerified
SPFv=spf1 include:...
Valid
DKIMv=spf1 include:...
Valid
DMARCv=spf1 include:...
Valid
MXv=spf1 include:...
Valid

Mailboxes

12

Aliases

34

Resend-Powered Infrastructure

Enterprise-grade delivery, built in

NBXTD Mail runs on Resend for reliable sending and receiving. Real-time delivery tracking, bounce handling, inbound webhooks, and detailed send analytics — all managed securely through backend functions that never expose your API keys.

  • Resend API integration for outbound email delivery
  • Inbound email processing via secure webhooks
  • Real-time delivery status: sent, delivered, bounced, failed
  • Per-mailbox send limits and daily quota tracking
  • Automatic retry and error logging for failed deliveries
Delivery Dashboard Live

99.9%

Delivered

0.3%

Bounced

42ms

Avg latency

Sent12,847
Delivered12,834
Opened8,921
Security & Audit Logs

Every action. Always tracked.

Complete audit trail of every action across your email infrastructure. Know who sent, received, deleted, or modified anything — with timestamps, IP addresses, and entity-level details. Compliance-ready for enterprise requirements.

  • Immutable audit logs for all user and system actions
  • Role-based access control: admin and user permissions
  • Per-mailbox permission management for team members
  • IP address tracking and entity-level change history
  • Exportable logs for compliance and security reviews
Audit Log

admin@nbxtd.com Sent email client@corp.com

2m ago

sarah@nbxtd.com Deleted thread Spam folder

15m ago

system Rule triggered Billing label

1h ago

mike@nbxtd.com Updated signature Sales mailbox

3h ago

admin@nbxtd.com Created mailbox billing@nbxtd.com

5h ago

system Webhook received email.delivered

6h ago
Pricing

Simple, transparent pricing

Choose the plan that fits your team. Upgrade or downgrade anytime.

Free

For individuals getting started with custom-domain email.

$0/mo
  • 1 custom domain
  • 1 mailbox
  • Unlimited receiving
  • AI summaries & drafting
  • Basic audit logs
  • 2,000 sends/month
Request Access
Most Popular

Business

For teams that need full email infrastructure.

$4/user/mo
  • 3 custom domains
  • Mailboxes per user
  • Unlimited receiving
  • Advanced AI categorization
  • Full audit trail & compliance
  • 20,000 sends/user/month
  • Custom rules & automation
  • Shared inboxes & teams
Request Access

Enterprise

For organizations with advanced security and scale needs.

Custom
  • Unlimited domains & mailboxes
  • Unlimited sending & receiving
  • SSO & advanced permissions
  • Dedicated support & SLA
  • Custom integrations
  • On-premise deployment options
Contact Us
FAQ

Frequently asked questions

Ready to modernize
your email infrastructure?

Join the next generation of businesses running email on their own terms. Custom domains, AI assistance, and enterprise-grade delivery — all in one dashboard.