text_combined: returned mail see transcript details original message received mon 6 dec 2004 13 02 57 0900 kst bzgakxfu 165 194 27 111 following addresses permanent fatal errors bill epfl ch reason 550 bill epfl ch unknown mailbox transcript session follows talking smtp 2 epfl ch rcpt bill epfl ch 550 bill epfl ch unknown mailbox 550 5 1 1 bill epfl ch user unknown