jodd-mail/src/main/java/jodd/mail/CommonEmail.java
public T headers(final Enumeration<Header> headersToSet) {
		while (headersToSet.hasMoreElements()) {
			final Header header = headersToSet.nextElement();
			header(header.getName(), header.getValue());
		}
		return _this();
	}
public T headers(final Enumeration<Header> headersToSet) {
		while (headersToSet.hasMoreElements()) {
			final Header header = headersToSet.nextElement();
			header(header.getName(), header.getValue());
		}
		return _this();
	}
Sets headers.

@param headersToSet Headers to set.
@return this
@see #header(String, String)