Run your entireemail stack in one place
Custom domains, unlimited mailboxes, SMTP & IMAP, inbound routing, and AI campaigns — built for teams that own their deliverability.
- No credit card
- SMTP + IMAP included
- Custom domains
2.4k
Inbox
847
Sent today
12
Domains
Campaign "Q2 Launch" sent
3,200 recipients · 98.2% delivered
support@yourdomain.com
Auto-reply active · Catch-all enabled
DKIM verified for acme.io
SMTP 587 · IMAP 993 ready
99.9%
Uptime target
25MB
Max message size
∞
Mailboxes per domain
360d
Session tokens
Features
Everything for email at scale
From DNS to inbox — infrastructure and marketing tools in a single platform.
Custom domains & DNS
Add domains, configure MX/SPF/DKIM/DMARC, and verify delivery records from one dashboard.
Unlimited mailboxes
Create email accounts per domain with full SMTP and IMAP client support.
Full mail stack
Inbound SMTP, submission on 587/465, and IMAP over SSL on port 993.
Inbound routing
No-reply rejection, catch-all, auto-reply with loop suppression, and forwarding.
AI content studio
Generate subjects, templates, replies, and campaign copy with DeepSeek AI.
Contacts & lists
Organize subscribers in folders, segment audiences, and bulk send with variables.
Campaigns & analytics
Plan campaigns, track performance, and iterate on what converts.
Web mailbox
Read, compose, and manage inbox and sent mail without leaving the browser.
Platform
Built for operators,
loved by marketers
Phase1 Mail is not just a campaign tool — it is a complete email infrastructure layer. Run your MTA, manage mailboxes, and market from the same control plane.
# Outlook / Apple Mail
IMAP: mail.phase1technologies.com:993 (SSL)
SMTP: mail.phase1technologies.com:587 (STARTTLS)
Inbound
- SMTP port 25
- Domain verification gate
- Catch-all routing
- Duplicate detection
Outbound
- Submission 587 / 465
- Direct MX delivery
- DKIM signing
- Bulk folder send
Clients
- IMAP SSL 993
- LOGIN / AUTH PLAIN
- INBOX + Sent + Trash
- Bcrypt auth
Marketing
- Template library
- AI generator
- Contact folders
- Campaign CRUD
How it works
Live in three steps
Go from zero to sending in minutes — no third-party mail relay required.
STEP 01
Connect your domain
Add your domain, publish DNS records, and enable DKIM signing for trusted outbound delivery.
STEP 02
Create mailboxes & routes
Spin up accounts, set catch-all, auto-reply, and forwarding rules. Sync with Outlook via IMAP.
STEP 03
Launch campaigns
Build contact lists, generate AI copy, send bulk mail, and track results from your dashboard.
Pricing
Simple plans that scale with you
Transparent pricing for founders, teams, and agencies. Every plan includes custom domains, inbound routing, and marketing tools — compare limits and features below before you subscribe.
Ready to own your email?
Create your account, add a domain, and start sending — with full control over infrastructure and campaigns.