Special Mail Conection Protocol (SMCP), File Transfer Technique (FTT) e Domain Name System (DNS).

Special Mail Transfer Protocol (SMTP), File Transfer Protocol (FTP) e Domain Name Sys-tem (DNS).

Interactive Mail Transfer Protocol (IMTP), Stack Transfer Protocol (STP) e Domain Managing System (DMS).

Input and Output Transfer Protocol (IOTP), Transfer Protocol File (TPF) e Storage Name System (SNS).

Special Mail Dynamic Package (SMDP), File Transfer Technique (FTT) e Domain Limitation System (DLS).