What is the Maximum Size of a Message I Can Send or Receive?
Students, faculty, and staff are permitted to receive and send a message up to 20MB in size. Message headers count towards the message size. Additionally, binary attachments have to be MIME encoded, so there can be a significant increase in the attachment size due to the encoding. Before sending large attachments, ensure that the person you are sending the attachment to is able and willing to receive a large attachment. Many mail servers reject messages that are 20MB in size. Additionally, if the person you are sending the message to is running low on mail server space, they may not be able to receive the message or receive additional messages after receiving the large attachment from you. Another factor to consider is that large attachments may take a considerable amount of time to send or receive for users who access the Internet with a dial-up connection. If you access your e-mail through OWA (SacLink Web-based e-mail), with a direct connection to the Exchange server, or are using t
