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Mailbox.org

Created July 22, 2025 · Updated March 19, 2026 · 1 min read · 80 words

Section titled “Link”

https://www.mailbox.org/

Resources

Section titled “Resources”

FAQ

Section titled “FAQ”

Servers

Section titled “Servers”
  • IMAP: imap.mailbox.org : 993 (TLS)
  • SMTP: smtp.mailbox.org : 465 (TLS)

MTA-STS

Section titled “MTA-STS”

CalDAV credentials

Section titled “CalDAV credentials”
  • Server: https://dav.mailbox.org:443
  • Username: Your primary mailbox address (e.g. max.mustermann@mailbox.org)
  • Password: Your account password or, if MFA is used, an application password (Settings > Security > Application passwords; select “CalDAV/CardDAV” and add a new one)