This study was designed as a first step to explore sexual harassment in the electronic domain. One hundred six students read 10 e-mail messages ranging from jokes to spam to a sexual proposition from a stranger and rated them on an offensiveness evaluative scale. Participants also completed social desirability and attitudes toward sexual harassment scales. Messages with sexual content were generally perceived less favourably than e-mail without such content. Gender was critical to the experience of receiving many types of e-mail messages. When the e-mail content was perceived to be offensive, women found it more offensive than did men. Marked gender differences emerged in response to the sexual proposition, which women perceived to be extremely offensive while men rated it as somewhat enjoyable. Tolerance of sexual harassment and familiarity with a type of e-mail were also related to lower offensiveness evaluations for some messages.