MGASA-2021-0557 Updated dovecot packages fix security vulnerabilities

Updated dovecot packages fix security vulnerabilities: The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension CVE-2020-28200. Dovecot before 2.3.15 allows ../ Path Traversal. An...