基于email service configuration document，我为gmail配置了电子邮件服务器。我收到以下错误：
| 2018-04-26 16:52:43.049 WARN 8 --- [ader-Executor-1] c.abc.myapp.service.MailService : Email could not be sent to user '<an email address>': Authentication failed; nested exception is javax.mail.AuthenticationFailedException: 534-5.7.14 <https://accounts.google.com/signin/continue?sarp=1&scc=1&plt=AKgnsbuK
myapp-app_1 | 534-5.7.14 FS7l_SlKGMmQ4NUwOUI8hV4s4DFyO9Ajb9jIQNPmd_oPTPeYKvPez2X9WTyRxci1tqFD3j
myapp-app_1 | 534-5.7.14 EIuDoA4ekrQEvFUoHHTBkBpXLPSd9WyK4OfnClEVc7LOKqRRurLkCzm7YPSVjScsoCCSfY
myapp-app_1 | 534-5.7.14 ZDkTMZpbTNSpjO7cLfFPhrk8YyKz6-Zr6PUh8diPloWF7dCGQDHb3U8Pupum7w8ZooCS6D
myapp-app_1 | 534-5.7.14 W4a_ecgcmwyU-yqYVU41sE9Ejns_E> Please log in via your web browser and
myapp-app_1 | 534-5.7.14 then try again.
myapp-app_1 | 534-5.7.14 Learn more at
myapp-app_1 | 534 5.7.14 https://support.google.com/mail/answer/78754 s65sm52666197pfj.124 - gsmtp
我按照说明操作并获得一个包含以下消息的页面：
启用帐户访问权限 请尝试从新设备或应用程序再次登录您的Google帐户。
然而，我仍然得到了错误。
所以，我尝试使用Outlook电子邮件服务器。
myapp-app_1 | 2018-04-26 17:22:08.398 WARN 8 --- [ader-Executor-1] c.abc.myapp.service.MailService : Email could not be sent to user '<an email address>': Failed messages: com.sun.mail.smtp.SMTPSendFailedException: 554 5.2.0 STOREDRV.Submission.Exception:SendAsDeniedException.MapiExceptionSendAsDenied; Failed to process message due to a permanent exception with message Cannot submit message. 16.55847:CB210000, 17.43559:0000000094000000000000000000000000000000, 20.52176:140FCB820E00101097010000, 20.50032:140FCB827E171010AA010000, 0.35180:0A007282, 255.23226:D1010000, 255.27962:0A000000, 255.27962:0E000000, 255.31418:0A006784, 16.55847:B4000000, 17.43559:0000000068010000000000000000000000000000, 20.52176:140FCB820E0010100A00F736, 20.50032:140FCB827E1710100A00F836, 0.35180:EF010000, 255.23226:40000730, 255.27962:0A000000, 255.27962:32000000, 255.17082:DC040000, 0.27745:0A001880, 4.21921:DC040000, 255.27962:FA000000, 255.1494:07020000, 0.37692:B4000000, 0.37948:B4000000, 5.33852:00000000534D545000343345, 4.56248:DC040000, 7.40748:010000000000010B41344539, 7.57132:000000000000000000000000, 1.63016:32000000, 4.39640:DC040000, 8.45434:171C0100364C1BE8000000000000000000303833, 5.10786:0000000031352E32302E303731352E3031343A434F31505231384D42303833373A66663930326535392D346362332D346164632D383633322D36636464303663626165666600503000000000, 255.1750:02017368, 255.31418:5B030000, 0.22753:80030400, 255.21817:DC040000, 4.60547:DC040000, 0.21966:7E010000, 4.30158:DC040000 [Hostname=CO1PR18MB0837.namprd18.prod.outlook.com]
我知道他们不是JHipster问题，但我想知道JHipster用户如何解决这些问题。