jodd-mail/src/main/java/jodd/mail/EmailFilter.java
public EmailFilter messageId(final String messageId) {
		final SearchTerm msgIdTerm = new MessageIDTerm(messageId);
		concat(msgIdTerm);
		return this;
	}
public EmailFilter messageId(final String messageId) {
		final SearchTerm msgIdTerm = new MessageIDTerm(messageId);
		concat(msgIdTerm);
		return this;
	}
Defines filter for message id.

@param messageId The message ID.
@return this