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My program worked fine for any years, but since last 2 weeks the mail sending fails (i changed nothing). My customer uses web.de (a german email provider). web.de uses for smtp, StartTLS over port 587. I do not know if there something has changed. My customer has in his system (Windows Server 2003 R2) installed a new router, and since then the mail delivery stops working.

15.09.2015 08:42:59

ChilkatLog:
  VerifySmtpConnection(60157ms):
    DllDate: Aug 26 2015
    ChilkatVersion: 9.5.0.52
    UnlockPrefix: SOZIALMAILQ
    Username: xxxxxxx
    Architecture: Little Endian; 32-bit
    Language: ActiveX
    VerboseLogging: 1
    smtpConnectAndAuthenticate(60157ms):
      smtpConnect(60157ms):
        smtpHostname: smtp.web.de
        smtpPort: 587
        connectionIsReady:
          Need new SMTP connection
        --connectionIsReady
        smtpSocketConnect:
          socket2Connect:
            connect2:
              hostname: smtp.web.de
              port: 587
              ssl: 0
              connectSocket:
                domainOrIpAddress: smtp.web.de
                port: 587
                connectTimeoutMs: 30000
                connect_ipv6_or_ipv4:
                  Multi-threaded domain to IP address resolution
                  connecting to IPV4 address...
                  ipAddress: 213.165.67.108
                  createSocket:
                    Setting SO_SNDBUF size
                    sendBufSize: 262144
                    Setting SO_RCVBUF size
                    recvBufSize: 4194304
                  --createSocket
                  connect:
                    myIP: 192.168.178.5
                    myPort: 3584
                    socket connect successful.
                  --connect
                --connect_ipv6_or_ipv4
              --connectSocket
            --connect2
          --socket2Connect
          Turning on TCP_NODELAY.
          socketOptions:
            SO_SNDBUF: 262144
            SO_RCVBUF: 4194304
          --socketOptions
        --smtpSocketConnect
        smtpGreeting(30078ms):
          readSmtpResponse(30078ms):
            recvUntilMatch: Socket operation timeout.
            nReceived: 0
            idleTimeoutMs: 30000
          --readSmtpResponse
        --smtpGreeting
        Failed to get initial SMTP response..
        Will re-try one time...
        smtpSocketConnect:
          socket2Connect:
            connect2:
              hostname: smtp.web.de
              port: 587
              ssl: 0
              connectSocket:
                domainOrIpAddress: smtp.web.de
                port: 587
                connectTimeoutMs: 30000
                connect_ipv6_or_ipv4:
                  Multi-threaded domain to IP address resolution
                  connecting to IPV4 address...
                  ipAddress: 213.165.67.108
                  createSocket:
                    Setting SO_SNDBUF size
                    sendBufSize: 262144
                    Setting SO_RCVBUF size
                    recvBufSize: 4194304
                  --createSocket
                  connect:
                    myIP: 192.168.178.5
                    myPort: 3585
                    socket connect successful.
                  --connect
                --connect_ipv6_or_ipv4
              --connectSocket
            --connect2
          --socket2Connect
          Turning on TCP_NODELAY.
          socketOptions:
            SO_SNDBUF: 262144
            SO_RCVBUF: 4194304
          --socketOptions
        --smtpSocketConnect
        smtpGreeting(30079ms):
          readSmtpResponse(30079ms):
            recvUntilMatch: Socket operation timeout.
            nReceived: 0
            idleTimeoutMs: 30000
          --readSmtpResponse
        --smtpGreeting
        Failed to get initial SMTP response again.
      --smtpConnect
    --smtpConnectAndAuthenticate
    initSmtp: Socket operation timeout.
    Failed.
  --VerifySmtpConnection
--ChilkatLog

Maybe someone can help with an idea to solve this problem

Regards

Wolfgang Haese

asked Sep 23 '15 at 03:20

Wolfgang's gravatar image

Wolfgang
113


Hi Guys, I have a renewed attempt running again and unfortunately had no success. Here the log of this experiment:

ChilkatLog:
  SendEmail:
    DllDate: Aug 26 2015
    ChilkatVersion: 9.5.0.52
    UnlockPrefix: SOZIALMAILQ
    Username: xxxxxxx
    Architecture: Little Endian; 32-bit
    Language: ActiveX
    VerboseLogging: 0
    sendEmailInner:
      renderToMime:
        createEmailForSending:
          xSigningAlg: sha1
          Auto-generating Message-ID
        --createEmailForSending
        renderToMime: Elapsed time: 0 millisec
      --renderToMime
      sendMimeInner:
        progressTotal: 711
        ensureSmtpSession:
          ensureSmtpConnection:
            SmtpHost: smtp.web.de
            SmtpPort: 587
            SmtpUsername: xxx@web.de
            SmtpSsl: 0
            StartTLS: 1
            smtpConnect:
              smtpHostname: smtp.web.de
              smtpPort: 587
              connectionIsReady:
                Need new SMTP connection
              --connectionIsReady
              smtpSocketConnect:
                socketOptions:
                  SO_SNDBUF: 262144
                  SO_RCVBUF: 4194304
                --socketOptions
              --smtpSocketConnect
              smtpGreeting:
                readSmtpResponse:
                  recvUntilMatch: Socket operation timeout.
                  idleTimeoutMs: 30000
                --readSmtpResponse
              --smtpGreeting
              Failed to get initial SMTP response..
              Will re-try one time...
              smtpSocketConnect:
                socketOptions:
                  SO_SNDBUF: 262144
                  SO_RCVBUF: 4194304
                --socketOptions
              --smtpSocketConnect
              smtpGreeting:
                readSmtpResponse:
                  recvUntilMatch: Socket operation timeout.
                  idleTimeoutMs: 30000
                --readSmtpResponse
              --smtpGreeting
              Failed to get initial SMTP response again.
            --smtpConnect
          --ensureSmtpConnection
        --ensureSmtpSession
      --sendMimeInner
    --sendEmailInner
    Failed.
  --SendEmail
--ChilkatLog

Please help me if anyone has an idea to solve.

Regards

Wolfgang

link

answered Sep 24 '15 at 02:40

Wolfgang's gravatar image

Wolfgang
113

edited Sep 28 '15 at 08:50

Hi folks, we have on the system (Windows Server 2003 R2 SP2 x86) just successfully sent a mail with the old dll ChilkatMail2.dll version 9.4.1.0 . The new dll ChilkatAx-9.5.0-win32.dll Version 9.5.0.52 can not send emails on this system.

Regards

Wolfgang

link

answered Sep 24 '15 at 05:04

Wolfgang's gravatar image

Wolfgang
113

I had no trouble. Something external is blocking it..

ChilkatLog:
  OpenSmtpConnection:
    DllDate: Sep 23 2015
    ChilkatVersion: 9.5.0.52
    UnlockPrefix: nbvfds.CBX0916
    Username: CHILKAT13:Matt
    Architecture: Little Endian; 32-bit
    Language: Visual C++ 11.0 (32-bit)
    VerboseLogging: 0
    ensureSmtpSession:
      ensureSmtpConnection:
        SmtpHost: smtp.web.de
        SmtpPort: 587
        SmtpUsername: 
        SmtpSsl: 0
        StartTLS: 1
        smtpConnect:
          smtpHostname: smtp.web.de
          smtpPort: 587
          connectionIsReady:
            Need new SMTP connection
          --connectionIsReady
          smtpSocketConnect:
            socketOptions:
              SO_SNDBUF: 262144
              SO_RCVBUF: 4194304
              TCP_NODELAY: 1
              SO_KEEPALIVE: 1
            --socketOptions
          --smtpSocketConnect
          smtpGreeting:
            readSmtpResponse:
              SmtpCmdResp: 220 web.de (mrweb101) Nemesis ESMTP Service ready
            --readSmtpResponse
          --smtpGreeting
          startTLS:
            Will be using STARTTLS...
            sendCmdToSmtp:
              SmtpCmdSent: EHLO CHILKAT13<crlf>
            --sendCmdToSmtp
            readSmtpResponse:
              SmtpCmdResp: 250-web.de Hello CHILKAT13 [50.178.216.117]
              SmtpCmdResp: 250-SIZE 141557760
              SmtpCmdResp: 250-AUTH LOGIN PLAIN
              SmtpCmdResp: 250 STARTTLS
            --readSmtpResponse
            sendCmdToSmtp:
              SmtpCmdSent: STARTTLS<crlf>
            --sendCmdToSmtp
            readSmtpResponse:
              SmtpCmdResp: 220 OK
            --readSmtpResponse
            clientHandshake:
    ...

If you need, try the latest build at

32-bit Download: http://www.chilkatsoft.com/download/preRelease/ChilkatAx-9.5.0-win32.zip
64-bit Download: http://www.chilkatsoft.com/download/preRelease/ChilkatAx-9.5.0-x64.zip

link

answered Sep 24 '15 at 09:29

chilkat's gravatar image

chilkat ♦♦
11.8k316358420

Thank You Chilkat, for the quick reply, but it would have been better if you had found a reason for this behavior.

Regards

Wolfgang

link

answered Sep 28 '15 at 08:56

Wolfgang's gravatar image

Wolfgang
113

I have seen this type of behavior when a client machine has an anti-virus with a firewall that blocks outgoing ports from unknown programs. It allows well known email client programs. (i.e. Outlook)

HTH, Tracy

link

answered Sep 30 '15 at 12:05

TracyP's gravatar image

TracyP
1062

Hi Tracy, many thanks for your response. Unfortunately, we have run our tests with old or new dll without X-Mailer acknowledged. As I said, the test with the old ChilkatMail2 worked with the ChilkatAx ... not. But we will verify these facts.

Regards Wolfgang

link

answered Oct 01 '15 at 04:00

Wolfgang's gravatar image

Wolfgang
113

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Asked: Sep 23 '15 at 03:20

Seen: 1,085 times

Last updated: Oct 01 '15 at 04:00

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