What does this mean? -->"MAIL -? From:<*** Email address is removed for privacy ***> SMTP" 550...

[LawrenceBerlinski]

Here's the log


[log]

"EHLO -? mail237c25-1785.carrierzone.com SMTP" 250 286
"STARTTLS - SMTP" 220 0
"STARTTLS - SMTP" 220 29
"EHLO -? isp.com SMTP" 250 284
"MAIL -? From:<*** Email address is removed for privacy ***> SMTP" 550 59
"QUIT -?isp.com SMTP" 240 59

[/log]


I know SMTP 550 is some sort of rejection, but what does the "59" mean?

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