javax.mail.MessagingException: Could not connect to SMTP host: securesmtp.t-online.de, port: 465, response: -1 at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTra nsport.java:1949) ~[firEmergency.jar:na] at com.sun.mail.smtp.SMTPTransport.protocolConnect(SM TPTransport.java:654) ~[firEmergency.jar:na]

funkmeldesystem.de | 6 months ago
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    Problem mit MailExpert

    funkmeldesystem.de | 6 months ago
    javax.mail.MessagingException: Could not connect to SMTP host: securesmtp.t-online.de, port: 465, response: -1 at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTra nsport.java:1949) ~[firEmergency.jar:na] at com.sun.mail.smtp.SMTPTransport.protocolConnect(SM TPTransport.java:654) ~[firEmergency.jar:na]
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    Getting Error sed: -e expression #1, char 5: unknown command: `0'

    Stack Overflow | 2 years ago | atul329
    javax.mail.MessagingException: Could not connect to SMTP host: 1.1.1.1, port: 25, response: 451 at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:996) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:197)
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    javax.mail.MessagingException: Could not connect to SMTP host: smtp.mail.yahoo.com, port: 25; - Toolbox for IT Groups

    ittoolbox.com | 6 months ago
    javax.mail.MessagingException: Could not connect to SMTP host: , port: 25; nested exception is: .ConnectException: Operation timed out: connect at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTra nsport.java:867) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SM TPTransport.java:156)
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    OX-Guard: Fehler nach dem Update zu 1.2 [Archive] - Official Open-Xchange Forum

    open-xchange.com | 1 year ago
    javax.mail.MessagingException: Can't send command to SMTP host (javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderE xception: unable to find valid certification path to requested target) at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTr ansport.java:1420) ~[mail-1.4.jar:1.4] at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTr ansport.java:1408) ~[mail-1.4.jar:1.4] at com.sun.mail.smtp.SMTPTransport.ehlo(SMTPTransport .java:847) ~[mail-1.4.jar:1.4] at com.sun.mail.smtp.SMTPTransport.protocolConnect(SM TPTransport.java:384) ~[mail-1.4.jar:1.4]
  6. 0

    javax.mail.MessagingException: 502 unimplemented (#5.5.1)

    Oracle Community | 1 decade ago | 843830
    javax.mail.MessagingException: 502 unimplemented (#5.5.1) at com.sun.mail.smtp.SMTPTransport.issueCommand SMTPTransport.java:1020) at com.sun.mail.smtp.SMTPTransport.helo SMTPTransport.java:630) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:31 1)

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    Root Cause Analysis

    1. javax.mail.MessagingException

      Could not connect to SMTP host: securesmtp.t-online.de, port: 465, response: -1 at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTra nsport.java:1949) ~[firEmergency.jar:na] at com.sun.mail.smtp.SMTPTransport.protocolConnect(SM TPTransport.java:654) ~[firEmergency.jar:na]

      at javax.mail.Service.connect()
    2. JavaMail API
      Service.connect
      1. javax.mail.Service.connect(Service.java:295)[firEmergency.jar:na]
      2. javax.mail.Service.connect(Service.java:176)[firEmergency.jar:na]
      2 frames
    3. mail_expert
      MailExpert.run
      1. mail_expert.MailExpert.run(MailExpert.java:226)[plugin_mail_expert.jar:na]
      1 frame