Resolve log4j (Java8) vulnerability in Simple Java Mail's CLI module
Log4j was already updated for the Java7 version in #365, but since Simple Java Mail is switching to Java8, we need to update it again to the latest.
Resolve log4j (Java8) vulnerability in Simple Java Mail's CLI module
Log4j was already updated for the Java7 version in #365, but since Simple Java Mail is switching to Java8, we need to update it again to the latest.