# return_path on appendfile and smtp transports need_ipv4 # exim -odi -f abc@x.y.z userx Test message **** exim -odi -f xyz@x.y.z userx Test message 2 **** server PORT_S 3 220 ESMTP EHLO 250-OK 250-HELP 250 PIPELINING MAIL FROM: 250 Sender OK RCPT TO: 250 Recipient OK DATA 354 Go ahead . 250 OK QUIT 250 OK *eof 220 ESMTP EHLO 250-OK 250-HELP 250 PIPELINING MAIL FROM: 250 Sender OK RCPT TO: 250 Recipient OK DATA 354 Go ahead . 250 OK QUIT 250 OK *eof 220 ESMTP EHLO 250 OK MAIL FROM: 250 Sender OK RCPT TO: 550 Recipient not OK QUIT 250 OK **** exim -odi -f pqr@x.y.z userx phil fail Test message 3 ****