The following chart provides settings to assist in the configuration of various email clients.

Protocol Server Port Encryption
SMTP Submission exchange.jmu.edu 587 Requires STARTTLS
IMAP4 exchange.jmu.edu 143 Requires STARTTLS
IMAPS exchange.jmu.edu 993 Requires SSL/TLS

Notes:

  • STARTTLS may be referred to as “auto” or “negotiated encryption”
  • POP3 is also available on port 110 (STARTTLS) or 995 (SSL/TLS) but it’s use is strongly discourage

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