Modifiers matching email:

• bad,
• harmful,
• unwanted,
• legitimate,
• important,
• undesirable,
• informational,

Simple categories matching informational:

• indication,
• detail,
• suppressor,
• activity,
• material,
• change,
• publication,
• substance,
• signal,
• writing,
• program,
• graphics,
• medium,
• system,
• item,
• product,
• network,
• site,
• website,
• image,
• molecule,
• property,
• book,
• sign,
• artifact,
• organization,
• area,
• data,
• organisation,
• polymer,
• text,
• production,
• pamphlet,
• cue,
• message,
• distribution,
• email,
• report,
• component,
• literature,
• problem,
• event,
• content,
• nature,
• tool,
• attribute,
• page,
• support,
• matter,
• exhibit,
• entity,
• macromolecule,
• process,
• service,
• assistance,
• screen,
• object,
• document,
• target,
• printing,
• source,
• display,