Error when sending books to Kindle

[Paul Hirscjh]

This is the error message I am getting when sending boos for Calibre to Kindle: Can you please help me?
Thank you Paul Hirsch
<email address hidden>

calibre, version 5.16.0 (win32, embedded-python: True)
Failed to email book: Failed: Email Imperfect Strangers to <email address hidden>

Starting job: Email Imperfect Strangers to <email address hidden>

Sending failed...

Traceback (most recent call last):
  File "calibre\gui2\email.py", line 45, in run
  File "calibre\gui2\email.py", line 129, in sendmail
  File "calibre\utils\smtp.py", line 173, in sendmail
  File "calibre\utils\smtp.py", line 153, in sendmail_direct
OSError: Failed to send mail: TimeoutError(10060, 'A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond', None, 10060, None)

Retrying in 1 seconds...

Waiting 1 seconds before sending, to avoid being marked as spam.
You can control this delay via Preferences->Tweaks

Sending failed...

Traceback (most recent call last):
  File "calibre\gui2\email.py", line 45, in run
  File "calibre\gui2\email.py", line 129, in sendmail
  File "calibre\utils\smtp.py", line 173, in sendmail
  File "calibre\utils\smtp.py", line 153, in sendmail_direct
OSError: Failed to send mail: TimeoutError(10060, 'A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond', None, 10060, None)

Job: "Email Imperfect Strangers to <email address hidden>" failed with error:
Traceback (most recent call last):
  File "calibre\gui2\threaded_jobs.py", line 83, in start_work
  File "calibre\gui2\email.py", line 102, in __call__
  File "calibre\gui2\email.py", line 45, in run
  File "calibre\gui2\email.py", line 129, in sendmail
  File "calibre\utils\smtp.py", line 173, in sendmail
  File "calibre\utils\smtp.py", line 153, in sendmail_direct
OSError: Failed to send mail: TimeoutError(10060, 'A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond', None, 10060, None)

Called with args: ('C:\\Users\\Micro\\AppData\\Local\\Temp\\calibre_fclun9al\\h3afxeqvcaltmpfmt.MOBI', 'Imperfect Strangers - Stuart Woods.MOBI', '<email address hidden>', 'E-book: Imperfect Strangers', 'Attached, you will find the e-book\n\nImperfect Strangers\n\tby Stuart Woods\n\nin the MOBI format.') {'notifications': <queue.Queue object at 0x0BC94FB8>, 'abort': <threading.Event object at 0x13E96CA0>, 'log': <calibre.utils.logging.GUILog object at 0x13E96F10>}

[Kovid Goyal (kovid)]

https://manual.calibre-ebook.com/faq.html#i-cannot-send-emails-using-calibre

 status invalid