rfc-1047

Duplicate messages and SMTP

C. Partridge

date1988-02 streamLegacy statusUNKNOWN pages3 canonicalhttps://www.rfc-editor.org/rfc/rfc1047 doi10.17487/RFC1047

An examination of a synchronization problem in the Simple Mail Transfer Protocol (SMTP) is presented. This synchronization problem can cause a message to be delivered multiple times. A method for avoiding this problem is suggested. Nodding familiarity with the SMTP specification, RFC-821, is required.