【问题标题】:Outlook suppresses authentication with mailR in R for certain email addressesOutlook 禁止使用 R 中的 mailR 对某些电子邮件地址进行身份验证
【发布时间】:2019-10-17 02:43:59
【问题描述】:

我正在尝试使用我的公司电子邮件中的 mailR 在 R 中自动发送电子邮件(它不允许我标记 mailR,所以我用类似的包 sendmailR 标记它)。

我使用了这篇文章 (Send authenticated mails via Outlook through R using mailR package) 中的代码,虽然它适用于我的学校 Outlook 电子邮件,但它不适用于我的公司:

send.mail(from = "me@companydomain.com",
to = c("coworker@companydomain.com"),
subject = "Test Email",
body = "Hi Coworker! Did this email send?",
authenticate = TRUE,
smtp = list(host.name = "smtp.office365.com",
port = 587,
user.name = "me@companydomain.com",
passwd = "Password1",
sls = TRUE,
tls = TRUE),
debug = TRUE)

我 100% 确定我使用了正确的用户名、密码等,但我仅在使用公司电子邮件时收到此错误消息:

org.apache.commons.mail.EmailException: Sending the email to the following server failed : smtp.office365.com:587
    at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1410)
    at org.apache.commons.mail.Email.send(Email.java:1437)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at RJavaTools.invokeMethod(RJavaTools.java:386)
Caused by: javax.mail.AuthenticationFailedException: 535 5.7.3 Authentication unsuccessful [MN2PR05CA0017.namprd05.prod.outlook.com]

    at com.sun.mail.smtp.SMTPTransport$Authenticator.authenticate(SMTPTransport.java:892)
    at com.sun.mail.smtp.SMTPTransport.authenticate(SMTPTransport.java:814)
    at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:728)
    at javax.mail.Service.connect(Service.java:386)
    at javax.mail.Service.connect(Service.java:245)
    at javax.mail.Service.connect(Service.java:194)
    at javax.mail.Transport.send0(Transport.java:253)
    at javax.mail.Transport.send(Transport.java:124)
    at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1400)
    ... 6 more
NULL
Error: EmailException (Java): Sending the email to the following server failed : smtp.office365.com:587

最后,因为我收到这个错误,我打开了调试,这是它的报告。据我所知,我的电子邮件第一次被验证并连接到服务器,但最后,它第二次验证失败。据我所知,除非幕后发生了什么事,否则我们没有 2 因素身份验证。

DEBUG: JavaMail version 1.5.2
DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
DEBUG: Tables of loaded providers
DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPSSLTransport=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle], com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle], com.sun.mail.imap.IMAPSSLStore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Oracle], com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Oracle], com.sun.mail.imap.IMAPStore=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Oracle], com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Oracle]}
DEBUG: Providers Listed By Protocol: {imaps=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Oracle], imap=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Oracle], smtps=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle], pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Oracle], pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Oracle], smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle]}
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle]
DEBUG SMTP: need username and password for authentication
DEBUG SMTP: useEhlo true, useAuth true
DEBUG SMTP: trying to connect to host "smtp.office365.com", port 587, isSSL false
220 MN2PR05CA0017.outlook.office365.com Microsoft ESMTP MAIL Service ready at Fri, 31 May 2019 12:15:26 +0000
DEBUG SMTP: connected to host "smtp.office365.com", port: 587

EHLO WLPC0ER8VM.wks.companydomain.com
250-MN2PR05CA0017.outlook.office365.com Hello [50.205.156.92]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250 SMTPUTF8
DEBUG SMTP: Found extension "SIZE", arg "157286400"
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "DSN", arg ""
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "STARTTLS", arg ""
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "BINARYMIME", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
DEBUG SMTP: Found extension "SMTPUTF8", arg ""
STARTTLS
220 2.0.0 SMTP server ready
EHLO WLPC0ER8VM.wks.companydomain.com
250-MN2PR05CA0017.outlook.office365.com Hello [50.205.156.92]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN XOAUTH2
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250 SMTPUTF8
DEBUG SMTP: Found extension "SIZE", arg "157286400"
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "DSN", arg ""
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "AUTH", arg "LOGIN XOAUTH2"
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "BINARYMIME", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
DEBUG SMTP: Found extension "SMTPUTF8", arg ""
DEBUG SMTP: Attempt to authenticate using mechanisms: LOGIN PLAIN DIGEST-MD5 NTLM 
DEBUG SMTP: AUTH LOGIN command trace suppressed
DEBUG SMTP: AUTH LOGIN failed

我希望能够发送这些自动电子邮件,同时仍保持安全性。这可能吗?如果可以,怎么办?我知道错误提到Java中的东西,我不知道,所以也许这就是关键?谢谢!

【问题讨论】:

  • 我知道有时使用 gmail 会出现与 R 和 mailR 的连接问题,因为 Google 可以阻止与“不太安全的应用程序”的连接。它可以在 gmail 设置中删除。贵公司的电子邮件是否有类似的安全设置?
  • 也可能是防火墙/端口问题。您工作的 IT 部门的人员能否检查一下打开了哪些端口,以便确定?
  • @Gainz,好主意,我不确定。我会在星期一联系某人并报告。尽管我想提高效率,但我也想保持安全。
  • 是的,安全性也很重要。如果您找到答案,请在 cmets 中标记我,我不经常使用 mailR,但至少我会知道是否必须再次使用它,

标签: java r email sendmailr


【解决方案1】:

试试这个:

send.mail(from = "me@companydomain.com",
to = c("coworker@companydomain.com"),
subject = "Test Email",
body = "Hi Coworker! Did this email send?",
smtp = list(host.name = "companydomain.mail.protection.outlook.com", port = 25, user.name   = "me@companydomain.com", passwd = "Password1"),
authenticate = TRUE,
debug = TRUE)

请注意,我已将 SMTP 主机名从 smtp.office365.com 更改为 companydomain.mail.protection.outlook.com,并设置为 port = 25

我从 Microsoft 的 Office 365 文档页面了解到这一点。

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