one who, or that which, sends an email

Английский Язык - Английский Язык

Определение one who, or that which, sends an email в Английский Язык Английский Язык словарь

emailer

Other lessons on so-called `netiquette' the book dishes out are of a more moral tone - for instance, it says that an emailer should never mention anyone in an email who they would not be happy to show the content to.