Reading time: 8 min · Last verified: August 2026 · SMTPedia editorial team
Infomaniak is Switzerland’s largest independent hosting company, providing consumer and business email under the kMail brand (free tier at ik.me/etik.ch) and kSuite paid business email on custom domains, all hosted in Swiss data centers. To connect an Infomaniak mailbox to Outlook, Thunderbird, Apple Mail, or a mobile client, use the settings below with a dedicated application password.
You cannot use your Infomaniak account password for IMAP or SMTP. Infomaniak requires a dedicated application password (mot de passe d’application) generated per email client, distinct from your webmail login. Create it in the Manager under Mail Service, Applications and third-party synchronization. If you use your regular account password in Outlook or Thunderbird, authentication fails silently even with correct hostnames and ports. This design protects the main account when 2FA is enabled on the Infomaniak Manager. Reference: SMTP 550 5.7.1 guide.
Quick Reference: Infomaniak Server Settings
Use these values verbatim. Note the server hostname uses .com not .ch. Infomaniak officially recommends port 587 STARTTLS for SMTP as the modern standard, with 465 SSL supported as a compatibility fallback.
| Protocol | Server | Port | Encryption | Authentication |
|---|---|---|---|---|
| SMTP (outgoing, most common) | mail.infomaniak.com | 587 (STARTTLS, recommended) or 465 (SSL) | Required | Full email + app password |
| IMAP (incoming, recommended) | mail.infomaniak.com | 993 | SSL/TLS | Full email + app password |
| POP3 (incoming, single device) | mail.infomaniak.com | 995 | SSL/TLS | Full email + app password |
Infomaniak SMTP Settings (Sending Mail)
SMTP handles outbound mail. Server mail.infomaniak.com on port 587 STARTTLS is the officially recommended configuration, matching the RFC 6409 standard for authenticated message submission. Port 465 SSL works as an alternative for older clients that do not support STARTTLS. Authentication uses the full email address as username and the application password generated in the Manager.
Port 25 outbound is not recommended for client submission. Infomaniak enforces DANE (DNS-based Authentication of Named Entities) for server-to-server TLS verification instead of MTA-STS, offering stronger cryptographic guarantees on inter-server transport. Rate limits are generous on kSuite paid plans; free ik.me accounts have tighter caps.
Sophie runs a design studio in Lausanne with the domain sophie-design.ch on a kSuite plan. She wants to configure Apple Mail on her MacBook. She signs in to the Infomaniak Manager, opens Mail Service, selects her mailbox sophie@sophie-design.ch, and clicks Applications and third-party synchronization to generate a new application password labeled “Apple Mail MacBook”. Infomaniak displays a random 16-character password once, which she copies immediately. In Apple Mail she enters:
- Incoming (IMAP):
mail.infomaniak.com, port 993, SSL/TLS - Outgoing (SMTP):
mail.infomaniak.com, port 587, STARTTLS - Username:
sophie@sophie-design.ch - Password: the generated 16-character string (not her Infomaniak Manager password)
If Sophie later configures Thunderbird on her Linux workstation, she generates a second application password labeled “Thunderbird Linux”. This lets her revoke individual client access without disrupting the others, which matters when she loses a device.
Infomaniak IMAP Settings (Recommended for Reading)
IMAP syncs folder state across every device. Server mail.infomaniak.com on port 993 SSL/TLS. Folder names appear in the language of your webmail preference (French, German, Italian, or English), but IMAP folder attributes let Outlook, Apple Mail, and Thunderbird map them to Sent, Drafts, and Trash correctly. Infomaniak supports OAuth 2.0 for Exchange-style compatibility on kSuite plans, but standard IMAP with app password is the interoperable default.
Infomaniak POP3 Settings (Single-Device Access)
POP3 downloads mail to one device with no server-side sync. Use mail.infomaniak.com on port 995 SSL/TLS. Only pick POP3 if you specifically need offline archival on one device, otherwise IMAP is the correct default. The application password requirement applies to POP3 the same way.
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.
More Popular Email Settings Guides
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| T-Online.de SMTP Settings | π©πͺ Germany | ISP |
| Fibertel.com.ar Webmail | π¦π· Argentina | ISP |
| QQ Mail SMTP Server | π¨π³ China | Global |
| Volny Mail Settings | π¨πΏ Czech Republic | ISP |
| Freemail.hu IMAP Settings | ππΊ Hungary | Regional |
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| Hotmail IMAP Settings | π Global | Global |
| 126.com IMAP Server Settings | π¨π³ China | Regional |
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| GMX SMTP Server Settings | π Global | Global |
| 163.com IMAP Server Settings | π¨π³ China | Regional |
| Webmail.co.za IMAP Settings | πΏπ¦ South Africa | Regional |
Frequently Asked Questions
Where do I generate an Infomaniak application password?
Sign in to the Infomaniak Manager at manager.infomaniak.com. Open Mail Service (my kSuite or Mail Hosting depending on your plan), select the mailbox, then click Applications and third-party synchronization. Create a new application password with a descriptive label like the device or client name. The password is shown once and cannot be retrieved afterwards, so copy it immediately into your email client configuration. You can create as many application passwords as needed, one per device or client.
Why does Infomaniak recommend port 587 over 465 for SMTP?
Port 587 with STARTTLS is defined by RFC 6409 as the official standard for authenticated message submission from mail clients. Port 465 with implicit SSL/TLS was deprecated in the early 2000s, then re-standardized in 2018 as an alternative. Both provide equivalent transport encryption in practice, but 587 is more widely accepted by corporate firewalls and antivirus software, and remains the primary recommendation from IETF standards bodies. Infomaniak follows this guidance while keeping 465 supported for legacy clients.
Is Infomaniak email subject to Swiss data protection law?
Yes. Infomaniak’s data centers are located in Switzerland (Geneva region), and the company operates under Swiss federal data protection law (nLPD, in effect since September 2023) as well as GDPR for European customers. Mailboxes are physically hosted on Swiss soil and are not subject to US CLOUD Act. Infomaniak publishes an annual transparency report on government requests received.
Can I use my ik.me or etik.ch free address with the same settings?
Yes. The free my kSuite tier gives you an address on ik.me (or the Swiss variant etik.ch) that uses the same mail.infomaniak.com server, ports, and application password model as paid kSuite mailboxes. The main differences are storage quota, sending limits, and the absence of custom domain support on the free tier.
How secure is Infomaniak email in transit?
Infomaniak enforces SSL/TLS on client-to-server connections (993, 995, 465, 587). For server-to-server transport it uses DANE with DNSSEC-signed TLSA records, which cryptographically binds the mail server certificate to DNS, defeating downgrade attacks that MTA-STS alone cannot. Application passwords further isolate client access from the main account. For end-to-end encryption Infomaniak supports OpenPGP and S/MIME in the kMail web interface. Related: SMTP connection guide.
Other Swiss and privacy-focused email providers’ settings also include:
Bluewin.ch Email Settings · Sunrise.ch Email Settings · Proton Mail Email Settings
About This Guide
The Infomaniak email settings on this page were last verified on August 5, 2026 against Infomaniak’s official knowledge base at infomaniak.com/support (FAQ 468 on ports and protocols, FAQ 2427 on synchronization) and the Manager interface behavior. Email server configurations rarely change once established, most providers issue major updates only every one to two years, typically tied to phasing out unencrypted protocols or migrating to new mail infrastructure. SMTPedia re-verifies these settings quarterly and after any announced changes from Infomaniak. If you find a discrepancy between what is documented here and what Infomaniak currently requires, please report it so we can update the reference.
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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