Server.sendmail with no "to_addrs" parameter.

Arne Ludwig arne at citde.net
Thu Mar 23 12:12:44 CET 2006


Sorry to have caused all that confusion. The quote from RFC822 I gave
is really confusing and is indeed not relevant to the original
question. As Tim pointed out, the "to_addrs" parameter in
smtplib.py::sendmail is translated to the SMTP RCPT TO and thus must
contain all the intended recipients whether they are logically To, CC,
Bcc. That parameter cannot be empty, and that is not a restriction in
Python, but a restriction of the nature of email: No recipient, no
transmission.

It is true that even with RFC 822 it was allowed to have NO To: line,
but NOT an empty To: line, while it was allowable to have an empty Bcc:
line. This was the quote I gave.




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