【求助】calibre推送一直失败

主机名，用户名，密码都写了的，格式都是正确的，都是XX@163.com，测试邮件发出去也能收到亚马逊回复的无附件提示，可是书死活推送不出去。
错误提示是calibre, version 2.38.0 (win32, isfrozen: True)
无法通过电子邮件发送书籍: 失败: 把 硬派健身 发Email到 yangzaideyangzai@kindle.cn
Starting job: 把 硬派健身 发Email到 yangzaideyangzai@kindle.cn
connect: (u'smtp.163.com', 465)
connect: (u'smtp.163.com', 465)
reply: '220 163.com Anti-spam GT for Coremail System (163com[20141201])\r\n'
reply: retcode (220); Msg: 163.com Anti-spam GT for Coremail System (163com[20141201])
connect: 163.com Anti-spam GT for Coremail System (163com[20141201])
send: 'ehlo apple-PC.sicau.edu.cn\r\n'
reply: '250-mail\r\n'
reply: '250-PIPELINING\r\n'
reply: '250-AUTH LOGIN PLAIN\r\n'
reply: '250-AUTH=LOGIN PLAIN\r\n'
reply: '250-coremail 1Uxr2xKj7kG0xkI17xGrU7I0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UrSkoqjUCa0xDrUUUUj\r\n'
reply: '250-STARTTLS\r\n'
reply: '250 8BITMIME\r\n'
reply: retcode (250); Msg: mail
PIPELINING
AUTH LOGIN PLAIN
AUTH=LOGIN PLAIN
coremail 1Uxr2xKj7kG0xkI17xGrU7I0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UrSkoqjUCa0xDrUUUUj
STARTTLS
8BITMIME
send: AUTH <censored>
reply: '535 Error: authentication failed\r\n'
reply: retcode (535); Msg: Error: authentication failed
Sending failed...
Traceback (most recent call last):
File "site-packages\calibre\gui2\email.py", line 43, in run
File "site-packages\calibre\gui2\email.py", line 130, in sendmail
File "site-packages\calibre\utils\smtp.py", line 135, in sendmail
File "site-packages\calibre\utils\smtplib.py", line 617, in login
SMTPAuthenticationError: (535, 'Error: authentication failed')
Retrying in 1 seconds...
Waiting 1 seconds before sending, to avoid being marked as spam.
You can control this delay via Preferences->Tweaks
connect: (u'smtp.163.com', 465)
connect: (u'smtp.163.com', 465)
reply: '220 163.com Anti-spam GT for Coremail System (163com[20141201])\r\n'
reply: retcode (220); Msg: 163.com Anti-spam GT for Coremail System (163com[20141201])
connect: 163.com Anti-spam GT for Coremail System (163com[20141201])
send: 'ehlo apple-PC.sicau.edu.cn\r\n'
reply: '250-mail\r\n'
reply: '250-PIPELINING\r\n'
reply: '250-AUTH LOGIN PLAIN\r\n'
reply: '250-AUTH=LOGIN PLAIN\r\n'
reply: '250-coremail 1Uxr2xKj7kG0xkI17xGrU7I0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UF9wJzBUCa0xDrUUUUj\r\n'
reply: '250-STARTTLS\r\n'
reply: '250 8BITMIME\r\n'
reply: retcode (250); Msg: mail
PIPELINING
AUTH LOGIN PLAIN
AUTH=LOGIN PLAIN
coremail 1Uxr2xKj7kG0xkI17xGrU7I0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UF9wJzBUCa0xDrUUUUj
STARTTLS
8BITMIME
send: AUTH <censored>
reply: '535 Error: authentication failed\r\n'
reply: retcode (535); Msg: Error: authentication failed
Sending failed...
Traceback (most recent call last):
File "site-packages\calibre\gui2\email.py", line 43, in run
File "site-packages\calibre\gui2\email.py", line 130, in sendmail
File "site-packages\calibre\utils\smtp.py", line 135, in sendmail
File "site-packages\calibre\utils\smtplib.py", line 617, in login
SMTPAuthenticationError: (535, 'Error: authentication failed')
Job: "把 硬派健身 发Email到 yangzaideyangzai@kindle.cn" 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 98, in __call__
SMTPAuthenticationError: (535, 'Error: authentication failed')
Called with args: (u'C:\\Users\\apple\\AppData\\Local\\Temp\\calibre_3w1jnd\\hdtpsscaltmpfmt.mobi', u'Ying Pai Jian Shen - Bin Qia.mobi', u'yangzaideyangzai@kindle.cn', u'\u7535\u5b50\u4e66\uff1a \u786c\u6d3e\u5065\u8eab', u'\u5df2\u6dfb\u52a0, \u60a8\u53ef\u4ee5\u4ece\u4e2d\u83b7\u53d6\u7535\u5b50\u4e66\n\n\u786c\u6d3e\u5065\u8eab\n\t\u7531 \u658c\u5361\n\n\u4f7f\u7528 MOBI \u683c\u5f0f.') {u'log': <calibre.utils.logging.GUILog object at 0x0F063130>, u'notifications': <Queue.Queue instance at 0x0F068580>, u'abort': <threading._Event object at 0x0F063150>}