sendemail -f ABSENDER -t EMPFAENGER -u Test -m Test -s smtp.strato.de -xu USER -xp PASSWORD -vv -o tls=yes
Aug 11 10:27:04 debian sendemail[1939]: DEBUG => Connecting to smtp.strato.de:25
Aug 11 10:27:04 debian sendemail[1939]: DEBUG => My IP address is: *********
Aug 11 10:27:04 debian sendemail[1939]: DEBUG => evalSMTPresponse() - Found SMTP success code: 220
Aug 11 10:27:04 debian sendemail[1939]: SUCCESS => Received: 220 smtp.strato.de ESMTP RZmta 37.8 ready (mo37)
Aug 11 10:27:04 debian sendemail[1939]: INFO => Sending: EHLO debian
Aug 11 10:27:04 debian sendemail[1939]: DEBUG => evalSMTPresponse() - Found SMTP success code: 250
Aug 11 10:27:04 debian sendemail[1939]: SUCCESS => Received: 250-smtp.strato.de greets 5.158.135.105, 250-ENHANCEDSTATUSCODES, 250-8BITMIME, 250-PIPELINING, 250-DELIVERBY, 250-SIZE 104857600, 250-AUTH SCRAM-SHA-1 DIGEST-MD5 CRAM-MD5 LOGIN PLAIN, 250-STARTTLS, 250 HELP
Aug 11 10:27:04 debian sendemail[1939]: DEBUG => The remote SMTP server supports TLS
Aug 11 10:27:04 debian sendemail[1939]: DEBUG => Starting TLS
Aug 11 10:27:04 debian sendemail[1939]: INFO => Sending: STARTTLS
Aug 11 10:27:04 debian sendemail[1939]: DEBUG => evalSMTPresponse() - Found SMTP success code: 220
Aug 11 10:27:04 debian sendemail[1939]: SUCCESS => Received: 220 Ready to start TLS
Aug 11 10:27:04 debian sendemail[1939]: ERROR => TLS setup failed: SSL connect attempt failed because of handshake problems error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure