Article: If you need to include any attachments, make sure to mention them in the body of the email to let the recipient know that they are included. Be courteous by trying to keep the number of attachments and their file size down, and by using common or widely compatible file types. For example, include a note like "I am attaching a copy of my resume and portfolio, in PDF format." Don't just rely on your email service's spelling or grammar checker. Reading your email aloud or asking someone to proofread it is a great way to catch any typos, mistakes, or unclear phrases. Always keep in mind that email is not a secure communication system. Remember that email servers can be hacked, or that your recipient might intentionally or unintentionally share information that you didn't want to be divulged. Avoid including things like passwords, account numbers, and confidential information in an email.

What is a summary?
Include any necessary attachments. Proofread your message for content, spelling, and grammar. Make sure that the email does not contain any sensitive information.