Can't email books to kindle

[Teeny]

I get an error when I try to send through my gmail books to my kindle.

This is the error I get:

Starting job: Email The Heights (Lakeshore Book 1) to chrisazaria@kindle.com 
Waiting 5 seconds before sending, to avoid being marked as spam.
You can control this delay via Preferences->Tweaks 
connect: (u'smtp.gmail.com', 465) 
connect: (u'smtp.gmail.com', 465) 
reply: '220 smtp.gmail.com ESMTP a74sm7724259wme.11 - gsmtp\r\n' 
reply: retcode (220); Msg: smtp.gmail.com ESMTP a74sm7724259wme.11 - gsmtp 
connect: smtp.gmail.com ESMTP a74sm7724259wme.11 - gsmtp 
send: u'ehlo [192.168.2.10]\r\n' 
reply: '250-smtp.gmail.com at your service, [217.16.226.4]\r\n' 
reply: '250-SIZE 35882577\r\n' 
reply: '250-8BITMIME\r\n' 
reply: '250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH\r\n' 
reply: '250-ENHANCEDSTATUSCODES\r\n' 
reply: '250-PIPELINING\r\n' 
reply: '250-CHUNKING\r\n' 
reply: '250 SMTPUTF8\r\n' 
reply: retcode (250); Msg: smtp.gmail.com at your service, [217.16.226.4]
SIZE 35882577
8BITMIME
AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
ENHANCEDSTATUSCODES
PIPELINING
CHUNKING
SMTPUTF8 
send: AUTH  
reply: '535-5.7.8 Username and Password not accepted. Learn more at\r\n' 
reply: '535 5.7.8  https://support.google.com/mail/?p=BadCredentials a74sm7724259wme.11 - gsmtp\r\n' 
reply: retcode (535); Msg: 5.7.8 Username and Password not accepted. Learn more at
5.7.8  https://support.google.com/mail/?p=BadCredentials a74sm7724259wme.11 - gsmtp 

Sending failed...
 
Traceback (most recent call last):
  File "site-packages\calibre\gui2\email.py", line 45, in run
  File "site-packages\calibre\gui2\email.py", line 135, in sendmail
  File "site-packages\calibre\utils\smtp.py", line 182, in sendmail
  File "site-packages\calibre\utils\smtplib.py", line 645, in login
SMTPAuthenticationError: (535, '5.7.8 Username and Password not accepted. Learn more at\n5.7.8  https://support.google.com/mail/?p=BadCredentials a74sm7724259wme.11 - gsmtp')
 

Retrying in 5 seconds...
 
Waiting 5 seconds before sending, to avoid being marked as spam.
You can control this delay via Preferences->Tweaks 
connect: (u'smtp.gmail.com', 465) 
connect: (u'smtp.gmail.com', 465) 
reply: '220 smtp.gmail.com ESMTP h14sm7447231wml.30 - gsmtp\r\n' 
reply: retcode (220); Msg: smtp.gmail.com ESMTP h14sm7447231wml.30 - gsmtp 
connect: smtp.gmail.com ESMTP h14sm7447231wml.30 - gsmtp 
send: u'ehlo [192.168.2.10]\r\n' 
reply: '250-smtp.gmail.com at your service, [217.16.226.4]\r\n' 
reply: '250-SIZE 35882577\r\n' 
reply: '250-8BITMIME\r\n' 
reply: '250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH\r\n' 
reply: '250-ENHANCEDSTATUSCODES\r\n' 
reply: '250-PIPELINING\r\n' 
reply: '250-CHUNKING\r\n' 
reply: '250 SMTPUTF8\r\n' 
reply: retcode (250); Msg: smtp.gmail.com at your service, [217.16.226.4]
SIZE 35882577
8BITMIME
AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
ENHANCEDSTATUSCODES
PIPELINING
CHUNKING
SMTPUTF8 
send: AUTH  
reply: '535-5.7.8 Username and Password not accepted. Learn more at\r\n' 
reply: '535 5.7.8  https://support.google.com/mail/?p=BadCredentials h14sm7447231wml.30 - gsmtp\r\n' 
reply: retcode (535); Msg: 5.7.8 Username and Password not accepted. Learn more at
5.7.8  https://support.google.com/mail/?p=BadCredentials h14sm7447231wml.30 - gsmtp 

Sending failed...
 
Traceback (most recent call last):
  File "site-packages\calibre\gui2\email.py", line 45, in run
  File "site-packages\calibre\gui2\email.py", line 135, in sendmail
  File "site-packages\calibre\utils\smtp.py", line 182, in sendmail
  File "site-packages\calibre\utils\smtplib.py", line 645, in login
SMTPAuthenticationError: (535, '5.7.8 Username and Password not accepted. Learn more at\n5.7.8  https://support.google.com/mail/?p=BadCredentials h14sm7447231wml.30 - gsmtp')
 
Job: "Email The Heights (Lakeshore Book 1) to chrisazaria@kindle.com" failed with error: 
Traceback (most recent call last):
  File "site-packages\calibre\gui2\threaded_jobs.py", line 83, in start_work
  File "site-packages\calibre\gui2\email.py", line 102, in __call__
SMTPAuthenticationError: (535, '5.7.8 Username and Password not accepted. Learn more at\n5.7.8  https://support.google.com/mail/?p=BadCredentials h14sm7447231wml.30 - gsmtp')
 
Called with args: (u'C:\\Users\\Saber\\AppData\\Local\\Temp\\calibre_xcexn0\\bpxx58caltmpfmt.mobi', u'The Heights (Lakeshore Book 1) - Amy Aislin.mobi', u'chrisazaria@kindle.com', u'E-book: The Heights (Lakeshore Book 1)', u'Attached, you will find the e-book\n\nThe Heights (Lakeshore Book 1)\n\tby Amy Aislin\n\nin the MOBI format.') {u'notifications': , u'abort': , u'log': }

[CathyA]

Did you read the messages in the log?

Username and Password not accepted. Learn more at
https://support.google.com/mail/?p=BadCredentials