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Spectrum (Charter) email IMAP, POP and SMTP settings

The server names, ports and sign-in details you need to add Spectrum (Charter) email to Outlook, Apple Mail, Thunderbird or any other email app.

By David Ray · Updated October 17, 2026 · How we research

Quick answerIncoming (IMAP): mobile.charter.net, port 993, SSL/TLS. Outgoing (SMTP): mobile.charter.net, port 587, STARTTLS.

Spectrum (Charter) email server settings

TypeServerPortSecurity
IMAP (incoming)mobile.charter.net993SSL/TLS
POP (incoming)mobile.charter.net995SSL/TLS
SMTP (outgoing)mobile.charter.net587STARTTLS

Username and password

Username: Your full Spectrum address, such as [email protected] or [email protected].

Password: Your Spectrum email password.

Good to know

How to set it up in a mail app

  1. Open your mail app and choose to add an account. If it offers "Other", "Manual setup" or "Advanced", pick that.
  2. Choose IMAP (recommended) or POP.
  3. Enter the incoming and outgoing servers, ports and security from the table above.
  4. Use the username and password described below.
  5. Turn on "Outgoing server requires authentication" and use the same username and password.

If it doesn't work

Can't send
Turn on "outgoing server requires authentication" and use port 587.

Getting a bounce with a code like 550 or 5.7.26 when you send? Look it up in the SMTP error code library.

Questions people ask

What is the Spectrum IMAP server?
mobile.charter.net, port 993, with SSL/TLS.
What is the Spectrum SMTP server?
mobile.charter.net, port 587. Spectrum labels it SSL/TLS; in most apps choose STARTTLS for port 587.