Email, while (2. DOUBT) a swift means of communication providing your server is fully (3. FUNCTION) and that the address you have contains no (4. ACCURATE) has had a (5. SIGNIFY) effect on c

Email, while (2. DOUBT) _____ a swift means of communication providing your server is fully (3. FUNCTION) ______ and that the address you have contains no (4. ACCURATE) _____ has had a (5. SIGNIFY) _____ effect on certain people’s behaviour