The constraint on file dimensions for electronic mail transmissions refers to the uppermost limit on the total data volume that can be appended to a single message. For example, an attempt to send a video file exceeding 25 megabytes through a common service provider might result in delivery failure.
Understanding this limitation is crucial for efficient digital communication, preventing bounced messages and ensuring timely delivery of information. Historically, these limits were imposed due to bandwidth restrictions and storage limitations on mail servers. Adhering to these specifications optimizes network performance and reduces the risk of overloading mail systems.