首页 > 解决方案 > SMTPRecipientsRefused: {'': (421, b'4.7.0 Too many protocol errors (6) on this connection, closing transmission channel.')}?

问题描述

Getting this error with smtplib with Office365. Any way out? Sending about 500 emails.

标签: pythonpython-3.xsmtpclient

解决方案


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