Change log for EXCHANGE_MAIL

Date Changes
2022-06-14 - Modified the code to parse, mapped "EMAIL From" to network.email.from and "RCPT To" to network.email.to.
- Mapped "sequence-number" to additional.filed as key/value pair.
2022-05-02 Bug - Modified the code to support 24hr time format for the "EventReceivedTime" field.
Added regexp condition for email address parsing error.