The golden rule of the email: don't send to others what you would find yourself unpleasant to receive.

• Do not use e-mail for any other purpose illegal or unethical.
• Do not disseminate or spam messages belonging to or chain letters.
• Always include the topic of your message in a clear and specific.
• Always respond to emails, if only to give confirmation to the sender of acknowledgment.
• Try to respond to emails while keeping the same topic to preserve a historic structure of ordered messages sent and received (historical discussion (thread)), "hooking" one after the other, avoiding possible to send a new message for a subject already under discussion.
• Follow the rules of citation to write a response to an email.
• Always sign with your name at the end of the message, unless the signature is not already included in the object.
• Maintain the privacy of senders / recipients, by deleting any e-mail address of the sender (if you forward an email when the recipient does not know the original sender) and using the Bcc box (or BCC) if you have to send the same message to multiple recipients who do not know each other.
• Pay close attention to spelling and grammar of your message.
• Do not insult and do not make indiscriminate use of words written in upper case (in fact they are the loud voice of speech, and therefore denote nervousness or malice).
• Think carefully about how the recipient can respond to your message: assess whether it can be really interested in the content and possibly use emoticons to indicate the tone of the conversation, especially if they write characters (if it is different from what you might suggest simply reading the text).
• The size of the message to be sent must not be too large: in general, its size is expected to remain below 50-100 kb (instead of large content - images, documents, ... - can be inserted in the text of Post links to those resources available in other ways, for example via FTP or HTTP, however tentatively attachments not exceeding 6 Mega, and open to popular formats such as. pdf or. jpeg for images, already set for the press, and possibly programs compressed with native operating system).
• Do not send private messages to workstations from which can be read by others or if you do remember to eliminate the traces.
• Quote the text to which you answer as briefly as possible, but in a way that is clear, however, that to which it refers in the response.
• Do not apply indiscriminately to any message, the acknowledgment of receipt by the recipient.
• Do not attach files too large without first contacting the recipient.
• Do not attach files with names that are too long or contain special characters such as punctuation.
• Do not set indiscriminately to any message, the flag of important and / or urgent (it's like crying wolf wolf unnecessarily) with the passage of time who will receive your e-mail will ignore the flag.
• Write in a simple and direct, with short periods. Go to the head often because the white spaces of the slugs help reading. Make a list of points if there are many things to say, so the text is easy to read even on a smart phone.
• Save your message as a draft when it is written straight. Read it again the next day surely change your opinion about what you've written.
• Read your message three times before send it.