[BlueOnyx:13499] TLS message: tlsv1 alert insufficient security:s3_pkt.c:1092:SSL alert number 71

[Dirk Estenfeld]

Hello,

one of our customers have a 5106R and have the issue that he cannot receive emails from gmx any longer.
I looked at the maillog and see the error message

Aug  9 12:26:44 servername sendmail[10441]: STARTTLS=server: 10441:error:1409442F:SSL routines:SSL3_READ_BYTES:tlsv1 alert insufficient security:s3_pkt.c:1092:SSL alert number 71

How can I change tlsv1 in sendmail to a more secure version?

Best regards,
Dirk


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