jodd-mail/src/main/java/jodd/mail/ReceiveMailSession.java
public ReceivedEmail[] receiveEmail(final EmailFilter filter) {
		return receiveMessages(filter, null, null, false, null);
	}
public ReceivedEmail[] receiveEmail(final EmailFilter filter) {
		return receiveMessages(filter, null, null, false, null);
	}
Receives all emails that matches given {@link EmailFilter}.
Messages are not modified. However, servers may set SEEN flag anyway,
so we force messages to remain unseen.

@param filter {@link EmailFilter}
@return array of {@link ReceivedEmail}s.