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TLS

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  1. Knowledge BaseHosted Email
    · 2 min read

    What Are the Ports for SMTP, POP3, and IMAP?

    Our email services support auto-discovery for automatic client setup, but manual configuration requires the correct ports. This guide lists all supported SMTP, POP3, and IMAP ports including recommended encrypted settings on 465, 993, and 995. Learn protocol differences, ISP blocks on port 25, manua
  2. Knowledge BaseHosted Email
    · 3 min read

    Is End-to-End Encryption Supported for Email?

    All ASPnix email services support STARTTLS and TLS/SSL for SMTP, IMAP, and POP3. Windows SmarterMail systems also secure ActiveSync, EWS, and MAPI for Outlook. Delivery is encrypted whenever both endpoints support it. This guide covers protocols, configuration steps, testing with CheckTLS, common pi
  3. Knowledge BaseWeb Hosting
    · 2 min read

    Fix 'An Unexpected Error Occurred on Send' in IIS Remote Management

    The 'An unexpected error occurred on send' error when connecting to IIS Remote Management is caused by .NET using outdated TLS versions unsupported by the servers. Resolve it by setting SchUseStrongCrypto and SystemDefaultTlsVersions registry keys with these PowerShell commands, then restart.