Open-Lime lime logo Open-Lime Project Request access

Mail service

Secure email with modern encryption.

Open-Lime Mail Service is now live. Use Webmail directly, or add your mailbox to your favorite client with encrypted IMAP/SMTP.

Webmail Request mailbox Client guides

Connection settings

Incoming mail (IMAP over TLS)

  • Server: mail.openlime.xyz
  • Port: 993
  • Security: TLS/SSL
  • Authentication: Full email + password

Outgoing mail (SMTP over SSL)

  • Server: mail.openlime.xyz
  • Port: 465
  • Security: SSL/TLS
  • Authentication: Required

Autoconfig and Autodiscover

Open-Lime Mail supports automatic client provisioning. If your client supports Autoconfig or Autodiscover, use your full Open-Lime email address and password first. The client should fill in server settings automatically.

Autoconfig (Mozilla-style)

  • Incoming: mail.openlime.xyz:993 (SSL)
  • Outgoing: mail.openlime.xyz:465 (SSL)
  • Username: Full email address

Autodiscover (Outlook-style)

  • Incoming: mail.openlime.xyz:993 (SSL)
  • Outgoing: mail.openlime.xyz:465 (SSL)
  • Authentication: Required on both directions

Mailbox requests moved to the homepage

The request system now lives on the start page with a modern CAPTCHA and animated flow for better visibility.

Open request section

Add the account on different clients

The following images are original Open-Lime diagrams created for this project. They are license-safe and contain no third-party copyrighted screenshots.

Microsoft Outlook

  1. Open Account Settings and choose Add account.
  2. Enter your full Open-Lime email address.
  3. Select manual setup and choose IMAP.
  4. Use the IMAP/SMTP settings shown above.
  5. Enable encrypted connection for both incoming and outgoing mail.
Illustrated Outlook setup flow

Apple Mail (macOS or iOS)

  1. Open Mail settings and tap Add Account.
  2. Choose Other Mail Account and fill in your email details.
  3. For incoming mail, set IMAP server and TLS.
  4. For outgoing mail, set SMTP with SSL/TLS and authentication.
  5. Save and send a test message.
Illustrated Apple Mail setup flow

Mozilla Thunderbird

  1. Go to Account Settings and click Add Mail Account.
  2. Enter your name, Open-Lime email address, and password.
  3. Switch to manual config if auto-discovery differs.
  4. Set IMAP 993 with SSL/TLS and SMTP 465 with SSL/TLS.
  5. Confirm and verify by sending and receiving a message.
Illustrated Thunderbird setup flow