The SMTP attempted to receive a mail file, but SMTP was unable to store the mail file because there was not enough disk space available. The remote SMTP may resend the data at a later time. This message appears in both the output file associated with the OUTPUT DD statement and the log file associated with the LOGFILE DD statement for the SMTPPROC.

date is the date (month/day/year) the message was sent.

time is the time (hours:minutes:seconds) the message was sent.

connection is the TCP/IP connection number.

sender is the sender's email address.