{"Warning: This feature is for advanced users only."\|alang} {"Custom headers are headers that will go in the message source, invisible to the subscriber."\|alang} {"Some custom headers might prevent your mailings from being sent."\|alang}
{"Name: (Not part of header)"\|alang}	{"This is just a label for your own internal use"\|help}
{"Header Information:"\|alang}	: {"Header needs to be in format 'HEADER-NAME: HEADER VALUE'"\|help}
{"Used in Lists:"\|alang}	{"Notice: This custom header will be a member of each selected list! Hold CTRL to select multiple lists."\|help} {"Select:"\|alang} {"All"\|alang} · {"None"\|alang}
{"Date Created:"\|alang}