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1. stackoverflow.com › questions › 59590224Sending email with smtplib, no errors but no messages delivered

   stackoverflow.com › questions › 59590224

   Jan 4, 2020 · I'm sending emails using smtplib. As long as subject and body of the message are defined in the code everything works and email gets delivered. When there is no subject or body defined in the code, no errors shows, but message is not delivered.

2. docs.python.org › 3 › librarysmtplib — SMTP protocol client — Python 3.13.0 documentation

   docs.python.org › 3 › library

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   2 days ago · The smtplib module defines an SMTP client session object that can be used to send mail to any internet machine with an SMTP or ESMTP listener daemon. For details of SMTP and ESMTP operation, consult RFC 821 (Simple Mail Transfer Protocol) and RFC 1869 (SMTP Service Extensions). Availability: not WASI.

3. docs.python.org › 3 › libraryemail.errors: Exception and Defect classes — Python 3.10.15 ...

   docs.python.org › 3 › library

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   Mar 10, 2015 · exception email.errors. HeaderParseError ¶. Raised under some error conditions when parsing the RFC 5322 headers of a message, this class is derived from MessageParseError. The set_boundary() method will raise this error if the content type is unknown when the method is called.

4. docs.python.org › 3 › libraryBuilt-in Exceptions — Python 3.13.0 documentation

   docs.python.org › 3 › library

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   1 day ago · In Python, all exceptions must be instances of a class that derives from BaseException. In a try statement with an except clause that mentions a particular class, that clause also handles any exception classes derived from that class (but not exception classes from which it is derived).

5. realpython.com › python-raise-exceptionPython's raise: Effectively Raising Exceptions in Your Code

   realpython.com › python-raise-exception

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   A common approach to tackle these issues is to raise an exception, notifying the user that an error has occurred. That’s what Python’s raise statement is for. Learning about the raise statement allows you to effectively handle errors and exceptional situations in your code.

6. realpython.com › python-built-in-exceptionsPython's Built-in Exceptions: A Walkthrough With Examples

   realpython.com › python-built-in-exceptions

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   May 15, 2024 · Learn what errors and exceptions are in Python; Understand how Python organizes the built-in exceptions in a class hierarchy; Explore the most commonly used built-in exceptions; Learn how to handle and raise built-in exceptions in your code; To smoothly walk through this tutorial, you should be familiar with some core concepts in Python.

7. People also ask

   Are all Python exceptions errors?

   • Note: In Python, not all exceptions are errors. The built-in StopIteration exception is an excellent example of this. Python internally uses this exception to terminate the iteration over iterators. Python exceptions that represent errors have the Error suffix attached to their names.

   Python's raise: Effectively Raising Exceptions in Your Code

   realpython.com/python-raise-exception/

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   What is SMTP error code?

   • Base class for all exceptions that include an SMTP error code. These exceptions are generated in some instances when the SMTP server returns an error code. The error code is stored in the smtp_code attribute of the error, and the smtp_error attribute is set to the error message. Sender address refused.

   smtplib — SMTP protocol client — Python 3.13.0 documentation

   docs.python.org/3/library/smtplib.html

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   What happens if SMTP does not raise an exception?

   • If this method does not raise an exception, it returns a dictionary, with one entry for each recipient that was refused. Each entry contains a tuple of the SMTP error code and the accompanying error message sent by the server.

   smtplib — SMTP protocol client — Python 3.13.0 documentation

   docs.python.org/3/library/smtplib.html

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   Why do I get a error in Python?

   • Getting this error may mean that you have a bug in your code. Note: To dive deeper into writing assertions in your code, check out Python’s assert: Debug and Test Your Code Like a Pro. You shouldn’t use the assert statement to handle user input or other kinds of input errors. Why?

   Python's raise: Effectively Raising Exceptions in Your Code

   realpython.com/python-raise-exception/

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   What are SMTP exceptions?

   • This exception is raised when the server unexpectedly disconnects, or when an attempt is made to use the SMTP instance before connecting it to a server. Base class for all exceptions that include an SMTP error code. These exceptions are generated in some instances when the SMTP server returns an error code.

   smtplib — SMTP protocol client — Python 3.13.0 documentation

   docs.python.org/3/library/smtplib.html

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   What should a code error message Say?

   • In general, the error message in an exception should concisely describe what went wrong. The error message should be specific enough to help other developers identify, diagnose, and debug the error. However, it shouldn’t reveal too many details of your code’s internals because this practice may lead to security flaws.

   Python's raise: Effectively Raising Exceptions in Your Code

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8. discuss.python.org › t › cgi-module-replacementCgi Module Replacement - Python Help - Discussions on Python.org

   discuss.python.org › t › cgi-module-replacement

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   Oct 23, 2024 · If you want to continue using CGI, your options are: Don’t upgrade to Python 3.13. Rewrite your application to use something other than CGI. Use a third-party CGI library. What’s New In Python 3.13 — Python 3.13.0 documentation) lists some recommendations (taken from PEP 594) for replacing specific functions from the cgi module.