Email Server with TLS 1.2 only not working

[McDarkness]

We updated our email server and only allowed TLS 1.2 connections. This works fine with all
clients and servers, only BA doesn't send emails anymore.

This is the error I get from BA:

Code: Select all

SMTP connection failed for MailMan {"AutoSmtpRset":true,"IsSmtpConnected":false,"RequireSslCertVerify":false,"DebugLogFilePath":"","UseApop":false,"Pop3Stls":false,"VerboseLogging":false,"AutoFix":true,"HttpProxyPort":80,"HttpProxyPassword":"","HttpProxyUsername":"","HttpProxyAuthMethod":"","HttpProxyHostname":"","SocksVersion":0,"SocksPort":1080,"SocksPassword":"","SocksUsername":"","SocksHostname":"","IncludeRootCert":true,"SendBufferSize":32767,"Pop3SessionId":0,"ClientIpAddress":"","SmtpSslServerCertVerified":false,"Pop3SslServerCertVerified":false,"Pop3SessionLog":"","SmtpSessionLog":"","SmtpHost":"smtp.domain.org","Version":"9.3.2.0","MailHost":"","PopUsername":"","PopPassword":"","SmtpPort":465,"OpaqueSigning":false,"ResetDateOnLoad":false,"MailPort":110,"MaxCount":0,"SizeLimit":0,"Filter":"","SmtpLoginDomain":"","SmtpAuthMethod":"","HeloHostname":"","DsnEnvid":"","DsnRet":"","DsnNotify":"","SendIndividual":true,"AutoGenMessageId":true,"SmtpSsl":true,"ImmediateDelete":true,"PopSsl":false,"EmbedCertChain":true,"AllOrNone":false,"StartTLS":false,"Pop3SPA":false,"ConnectTimeout":30,"LastSmtpStatus":0,"HeartbeatMs":0,"ReadTimeout":30,"SmtpUsername":"backup@domain.org","SmtpPassword":"***","LastSendQFilename":"","LogMailSentFilename":"","LogMailReceivedFilename":"","LastErrorHtml":"ChilkatLog:<blockquote>
IsSmtpConnected:<blockquote>
DllDate: Aug  5 2012<br>
UnlockPrefix: CORTEXMAILQ<br>
Username: computer:Administrator<br>
Architecture: Little Endian; 64-bit<br>
Language: .NET 4.0 / x64<br>
VerboseLogging: 0<br>
</blockquote>
</blockquote>
","LastErrorXml":"<ChilkatLog>
<IsSmtpConnected>
<DllDate>Aug  5 2012</DllDate>
<UnlockPrefix>CORTEXMAILQ</UnlockPrefix>
<Username>computer:Administrator</Username>
<Architecture>Little Endian; 64-bit</Architecture>
<Language>.NET 4.0 / x64</Language>
<VerboseLogging>0</VerboseLogging>
</IsSmtpConnected>
</ChilkatLog>
","LastErrorText":"ChilkatLog:
  IsSmtpConnected:
    DllDate: Aug  5 2012
    UnlockPrefix: CORTEXMAILQ
    Username: computer:Administrator
    Architecture: Little Endian; 64-bit
    Language: .NET 4.0 / x64
    VerboseLogging: 0
  --IsSmtpConnected
--ChilkatLog
","EnableEvents":false,"HttpProxyDomain":""}
Log file reads:
SMTP:ChilkatLog:
  IsSmtpConnected:
    DllDate: Aug  5 2012
    UnlockPrefix: CORTEXMAILQ
    Username: computer:Administrator
    Architecture: Little Endian; 64-bit
    Language: .NET 4.0 / x64
    VerboseLogging: 0
  --IsSmtpConnected
--ChilkatLog