[issue43949] binascii.Error raised in smtplib when initial_response_ok=False

[Pandu E POLUAN]

Pandu E POLUAN <pepoluan at gmail.com> added the comment:

> I am using Magic Winmail Server2.4(build 0530) as a SMTP server, which appears dont support initial_response, so I set initial_response_ok=False and got this Error. currently I catch this error and ignore it to evade program failed, it works fine. Is there better way to fix this problem?

I suggest either of:

(1) Contacting the makers of the software, to force Base64-encoding for "334 " replies, or

(2) If the text following "334 " is customizable, Base64-encode them yourself, then use the base64-encoded text as the customized "334 " response.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43949>
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