MGASA-2020-0357 Updated mutt packages fix security vulnerabilities

A potential IMAP Man-in-the-Middle attack via a PREAUTH response CVE-2020-14093. Mutt was ignoring an expired certificate and was proceeding with a connection CVE-2020-14154. A response injection due to a STARTTLS buffering issue which was affecting IMAP, SMTP, and POP3 CVE-2020-14954...