Migadu is a Swiss paid email provider with a distinctive pricing model: subscriptions are per domain, not per mailbox, and mailbox counts are soft limits (over-the-cap sending triggers warnings, not blocks). Standard IMAP, SMTP, and POP3 all work against imap.migadu.com, smtp.migadu.com, and pop.migadu.com. Migadu is developer-oriented: catch-all addresses, wildcards, aliases, and DNS-based validation are first-class features, and the pricing is aimed at users who want to run a family or small team’s mail on a personal domain without per-user billing. This guide covers the exact ports, the soft-limit model, and the tier where extra domains unlock.
Setup notes
Custom domain requiredSoft limits, not hard caps
Migadu does not sell subdomain mail (no @migadu.com addresses for customers). Every account requires a custom domain configured with Migadu’s DNS records (MX, SPF, DKIM, DMARC). Once the domain is validated in the Migadu admin, any number of mailboxes, aliases, or catch-alls can be created against that domain, with soft caps by plan tier that trigger notifications but do not block operation. Reference: SMTP authentication.
Quick reference: Migadu server settings
All three protocols use SSL/TLS and full-address authentication. Username is always the full email address at your custom domain (you@yourdomain.com), password is the mailbox password set at creation in the Migadu admin (separate from your Migadu account password).
| Protocol | Server | Port | Encryption | Auth |
|---|---|---|---|---|
| SMTP | smtp.migadu.com | 465 or 587 | SSL/TLS or STARTTLS | Full address + mailbox password |
| IMAP | imap.migadu.com | 993 | SSL/TLS | Full address + mailbox password |
| POP3 | pop.migadu.com | 995 | SSL/TLS | Full address + mailbox password |
Migadu SMTP settings
Migadu SMTP uses smtp.migadu.com on port 465 with implicit SSL/TLS or 587 with STARTTLS. Authenticate with the full mailbox address (you@yourdomain.com) and the mailbox password. Migadu handles SPF, DKIM, and DMARC signing on outbound mail once DNS is configured; the mail client only needs to authenticate and hand over the message.
Send limits are soft: exceeding the plan’s monthly outbound count triggers a warning email from Migadu but does not block further sends. Persistent overuse across billing cycles leads to a manual account review. Free trials and Micro plans have lower thresholds than Standard and Premium tiers. Never use port 25 for submission.
Migadu IMAP settings
Migadu IMAP uses imap.migadu.com on port 993 with SSL/TLS. Same credentials as SMTP. IMAP keeps mail on Migadu’s servers and syncs read/unread state, drafts, and folders across every device. Folder structure includes the standard Inbox, Drafts, Sent, Trash, Spam plus any custom folders created from a client.
Storage is aggregated across all mailboxes on the account: the Micro plan’s 5 GB soft cap covers every mailbox on the single domain combined. Migadu recommends IMAP for anyone with more than one device and provides Snappymail as an in-browser IMAP client for occasional webmail access.
Migadu POP3 settings
Migadu POP3 uses pop.migadu.com on port 995 with SSL/TLS. POP3 downloads messages to a single device and (unless the client is set to leave a copy on the server) removes them from the server after retrieval. Use POP3 only for single-device workflows or automated fetchers (script that pulls mail into a database for archival). For everyday use, IMAP is better.
Plan tiers and domain limits
- Micro ($19/year): 1 domain, 5 GB storage, 200 outbound emails/day soft cap. Good fit for a personal domain.
- Mini ($90/year): 3 domains, 30 GB storage, 1,000 outbound emails/day soft cap. Small family or hobby cluster.
- Standard ($190/year): 5 domains, 100 GB storage, 5,000 outbound emails/day. Small team or freelancer setup.
- Premium ($490/year): 10 domains, 500 GB storage, 20,000 outbound emails/day. Small business or agency.
Mailboxes and aliases per domain are unlimited on every plan (soft-capped at 25 mailboxes on Micro, higher on other plans). This is why Migadu appeals to family or team setups: adding a new mailbox does not increase the bill.
IMAP, POP3 and SMTP Integration into Gmail
Configure Gmail with external IMAP/POP3/SMTP to send/receive emails from your custom domain through Gmail’s interface. Perfect for professionals managing multiple accounts in one place.
- Google Account β Security β App passwords (2-Step Verification must be enabled).
- Generate App Password for “Mail” β copy 16-character password.
- Gmail β Settings β See all settings β Forwarding and POP/IMAP.
- Enable IMAP β Save Changes.
- Incoming (IMAP):
[IMAP SERVER]:993 SSL| Outgoing (SMTP):[SMTP SERVER]:587 STARTTLS. - Use your full email + App Password (not regular password) for authentication.
β Gmail Result: Send/receive custom domain email directly in Gmail interface with full search/folder integration.
WordPress SMTP Plugin Configuration (WP Mail SMTP + MailPoet)
Configure SMTP in WordPress to fix email delivery issues and prevent spam folder placement. WP Mail SMTP and MailPoet ensure reliable transactional emails, contact forms, and newsletters deliver successfully.
- Install and activate WP Mail SMTP or MailPoet plugin from your WordPress dashboard.
- Navigate to WP Mail SMTP β Settings or MailPoet β Settings β Sending tab.
- Select “Other SMTP” as your mailer method from the dropdown.
- Enter SMTP settings with Port
587and STARTTLS encryption (when available). - Input your full email address and password in the authentication fields.
- Click Save Settings and send a test email to verify the configuration works.
β Result: WordPress contact forms, user registrations, and newsletter emails now deliver reliably via your SMTP server.
This configuration includes these plugins and tools within WordPress:
- HappyForms
- Elementor Forms
- Gravity Form
- WooCommerce Checkout Form
- Contact Form by BestWebSoft
- Fluent Forms
- Contact Form 7
- WPForms
- Ninja Forms
- Default WordPress Reg Form
- Forminator Forms
- Formidable Form
- WordPress Comment Form
- Mail Mint Form
Thunderbird OAuth2 Email Setup (IMAP + SMTP)
Secure IMAP & SMTP using OAuth2 token authentication in Thunderbird. This modern method eliminates password storage for enhanced security.
- Open Thunderbird β Account Settings β Account Actions β Add Mail Account.
- Enter your email address and click Continue to begin setup.
- Select IMAP protocol and choose OAuth2 authentication method.
- Thunderbird opens a browser window β log in to your provider β Grant access permissions.
- Automatic configuration applies: Incoming: use the IMAP server address from the settings table above, port 993, SSL
- Click Done β Thunderbird begins syncing folders and emails immediately.
OAuth2 advantage: Token-based authentication enhances security over traditional password methods while maintaining full functionality.
Outlook IMAP, POP3 & SMTP Setup (Auto + Manual)
Outlook configuration supports both automatic server detection and manual IMAP/POP3/SMTP settings for complete control over your email setup.
π Auto Setup (Recommended):
- Go to File β Add Account β Enter your email address + password.
- Outlook automatically detects IMAP, POP3, and SMTP server settings.
- Click Connect β setup completes in approximately 30 seconds.
βοΈ Manual Setup (Advanced Users):
- Authentication: Use your full email address + password for both servers
BlueMail Two-Factor Authentication + OAuth2 Setup
BlueMail security setup combines OAuth2 authentication with two-factor authentication (2FA) for maximum account protection.
- Open BlueMail β Account Settings β Security β Enable Two-Factor Authentication.
- Link your phone number or authenticator app for 2FA verification codes.
- Add email account β Choose OAuth2 or manual server configuration.
- Enter server details from the table above
- Complete login with 2FA code β enhanced security layer activated.
Apple Mail IMAP Configuration (iCloud + Manual)
Setup IMAP in Apple Mail for seamless synchronization across Mac, iPhone, and iPad devices with full folder support.
- Open Apple Mail β Mail β Add Account β Other Mail Account.
- Enter your name, email address, and password β click Continue.
- Select IMAP account type β Incoming server.
- Next: Outgoing server
- Click Sign In β Mail verifies settings and begins folder synchronization.
iOS Mail App Setup (iPhone/iPad)
iPhone/iPad Mail configuration syncs IMAP folders across all Apple devices with native push notifications.
- Go to Settings β Mail β Accounts β Add Account β Other.
- Enter name, email, password β Next.
- Account Type: IMAP β Incoming:
[IMAP SERVER]Port993SSL. - Enter your outgoing SMTP server and port.
- Next β Save β iOS verifies and syncs immediately.
Push enabled automatically: new emails appear instantly on Lock Screen.
Android Mail App Configuration
Android Gmail/Email app setup works with any IMAP/SMTP provider for native device integration.
- Go to: Settings β Accounts β Add Account β Email (or Gmail app).
- Enter email + password β Next.
- Account Type: IMAP
- Outgoing server details β Require authentication.
- Next β Sign In β Android syncs contacts/calendar if enabled.
Sync interval: 15min default (battery optimized) – change in Account Sync settings.
eM Client Manual IMAP & POP3 Sync Configuration
Configure your email settings on eM Client with either automatic setup or through precise IMAP/POP3 server settings for reliable email synchronization and full folder support.
- Click New Account β Mail
Authentication requires full email address + password for both incoming and outgoing servers.Click Next β Finish β Send/Receive All Folders to begin synchronization.
Mailbird OAuth2 IMAP & SMTP Integration
Secure Mailbird setup using OAuth2 authentication eliminates password storage while providing full IMAP/SMTP functionality.
- Mailbird β Add Account β Enter your email address to begin.
- Choose Manual Setup β OAuth2 authentication method from options.
- Browser opens your provider’s login page β enter credentials β Authorize Mailbird.
- Mailbird receives access token and automatically configures IMAP/SMTP servers.
- Setup completes β full email synchronization begins automatically.
Mailspring OAuth2 IMAP Configuration
Mailspring OAuth2 setup provides secure email access without storing passwords directly in the application.
- Add new email account β Select Custom IMAP configuration option.
- Incoming
IMAP SERVERand outgoingSMTP SERVER. - Mailspring prompts OAuth2 authorization via browser window for secure login.
- Log into your provider account and grant Mailspring access permissions.
- Mailspring automatically manages authentication tokens β seamless email access established.
Postbox Manual IMAP Synchronization
Postbox IMAP setup with manual synchronization control for precise email folder management and immediate updates.
- Add IMAP account β Enter IMAP Server details.
- Outgoing SMTP with full email authentication.
- Postbox connects and displays folder structure automatically.
- Right-click any folder β Get Messages for immediate manual synchronization.
- Manual sync updates local mailbox instantly with server changes (read status, deletions, organization).
SendBlaster SMTP Configuration (Bulk Email)
Bulk email SMTP configuration in SendBlaster requires precise server authentication for reliable campaign delivery.
- Open SendBlaster β Settings β SMTP Configuration section.
- Enter SMTP Server and Port: do not forget to Enable TLS encryption.
- Authentication: Your full email address + password (required).
- Click Test Connection β verify green success indicator appears.
- Save settings β SendBlaster ready for bulk email campaigns and newsletters.
MailJerry IMAP Real-Time Synchronization
MailJerry IMAP setup enables real-time access to email folders stored on your provider’s server across all devices.
- Incoming Server and encryption required.
- Authentication: Full email address + password for secure connection.
- Enable real-time folder synchronization settings in MailJerry preferences.
- Folders update instantly with new messages, read status, and deletions across devices.
Clean.email OAuth2 Synchronization Setup
Clean.email OAuth2 setup provides secure mailbox access without sharing passwords directly with the application.
- Add new account β Select OAuth2 authorization method.
- Your provider opens login portal β enter credentials securely.
- Grant Clean.email permissions for email read/write access.
- OAuth2 token enables real-time message management, filtering, and organization.
- Setup complete β Clean.email maintains secure, ongoing mailbox synchronization.
Common IMAP/POP3/SMTP Troubleshooting
- Authentication failed: Always use your complete email address, never just the username portion.
- Port blocked by ISP: Try alternative SMTP port as fallback.
- SSL certificate errors: Ensure certificate validation is enabled in client settings.
- Slow or no IMAP sync: Check folder subscriptions and enable all folders in client settings.
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Frequently asked questions
Do I need a custom domain to use Migadu?
Yes. Migadu does not sell subdomain email; every account runs on your own domain. If you don’t have one, register a domain with any registrar first (Namecheap, Porkbun, Gandi), then add it to Migadu and configure the DNS records shown in the Migadu admin console.
What happens if I exceed the mailbox or send limits?
Nothing immediate. Migadu limits are soft: hitting the cap triggers a notification email suggesting a plan upgrade but does not block sends or receipts. Persistent overuse across billing cycles leads to a manual review from Migadu support. For most users, the soft limits give room to grow without paying for capacity they don’t yet need.
Does Migadu have a webmail?
Yes. Snappymail is offered as an in-browser IMAP client for webmail access. It is functional but minimal compared to Gmail or Fastmail; Migadu’s expectation is that most users configure a proper mail client (Thunderbird, Apple Mail, Outlook) for daily use.
How does Migadu compare to Fastmail and Mailbox.org?
Fastmail ($3-9/user/mo) has a polished webmail and per-user pricing. Mailbox.org (1-9 EUR/user/mo) is similar to Fastmail but German. Migadu ($19-490/year total) prices by domain not user, so 10 family mailboxes on one domain cost the same as 1 mailbox. Choose Migadu if you have several mailboxes on one domain; choose Fastmail or Mailbox.org for a polished individual experience.
Does Migadu support catch-all addresses?
Yes, first-class. Configure a catch-all in the domain settings and all mail to unknown local parts routes to the designated mailbox. Wildcards and pattern-based aliases are also supported (mail to anything@yourdomain.com can be routed to specific mailboxes based on prefix rules).
Where is Migadu webmail?
At admin.migadu.com for account management, then Snappymail is linked from the mailbox row. Bookmark the admin URL. Individual mailbox webmail can also be accessed at webmail.migadu.com if the mailbox password is known.
About this guide
These Migadu server settings were verified against Migadu’s official documentation at migadu.com/support in July 2026. Server hostnames and the soft-limit model have been consistent since Migadu launched its per-domain pricing structure. SMTPedia re-verifies each provider quarterly.
About the Author
Alaa Β· LinkedIn
Email infrastructure specialist with 8+ years of hands-on experience in SMTP, deliverability, and email verification. Iβve configured and troubleshot mail systems across Postfix, Exchange, and cloud relays, managed IP reputation and warmup campaigns, and built verification pipelines processing millions of addresses. My work spans DNS authentication (SPF, DKIM, DMARC, BIMI), bounce handling, blocklist monitoring, and compliance frameworks including CAN-SPAM and GDPR. I write every article on SMTPedia to give email professionals, developers, and marketers the accurate, RFC-grounded reference they need.
About SMTPedia
SMTPedia is an independent email industry reference covering SMTP, IMAP, POP3, email deliverability, marketing platforms, DNS authentication, and email verification. Every article is researched from official provider documentation, IETF RFCs, and industry best practices. Settings and configurations are verified quarterly.
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