# CHUNKING transmission, short messages, no PIPELINING # # Basic short message server PORT_S 220 Greetings EHLO 250-Hello there 250 CHUNKING MAIL FROM 250 OK RCPT TO 250 OK BDAT 345 LAST *data 345 250 OK QUIT 225 OK *eof **** sudo exim -odf -bS EHLO test MAIL FROM: RCPT TO: DATA Subject: foo data . QUIT **** # # Error case: server wrongly expected more data, client gets timeout for data-ack server PORT_S 220 Greetings EHLO 250-Hello there 250 CHUNKING MAIL FROM 250 good mail cmd RCPT TO 250 acceptable rcpt cmd BDAT 345 LAST *data 346 250 OK got that data QUIT 225 OK quitting **** sudo exim -odf -bS EHLO test MAIL FROM: RCPT TO: DATA Subject: foo data . QUIT **** # # Error case: server wrongly expected less data # client get the data-ack, sends quit - but server # sees a munged quit due to the outstanding data tail server PORT_S 220 Greetings EHLO 250-Hello there 250 CHUNKING MAIL FROM 250 OK RCPT TO 250 OK BDAT 345 LAST *data 344 250 OK QUIT 225 OK **** sudo exim -odf -bS EHLO test MAIL FROM: RCPT TO: DATA Subject: foo data . QUIT **** # # server rejects BDAT cmd server PORT_S 220 Greetings EHLO 250-Hello there 250 CHUNKING MAIL FROM 250 OK RCPT TO 250 OK BDAT 345 LAST *data 345 500 oops QUIT 225 OK **** sudo exim -odf -bS EHLO test MAIL FROM: RCPT TO: DATA Subject: foo data . QUIT **** # # server tmp-rejects BDAT cmd server PORT_S 220 Greetings EHLO 250-Hello there 250 CHUNKING MAIL FROM 250 OK RCPT TO 250 OK BDAT 345 LAST *data 345 400 not right now QUIT 225 OK **** sudo exim -odf -bS EHLO test MAIL FROM: RCPT TO: DATA Subject: foo data . QUIT **** # # # Server rejects RCPT. Client should not proceed to BDAT. server PORT_S 220 Greetings EHLO 250-Hello there 250 CHUNKING MAIL FROM 250 OK RCPT TO 550 sorry, no QUIT **** sudo exim -odf -bS EHLO test MAIL FROM: RCPT TO: DATA Subject: foo data . QUIT **** # # no_msglog_check