Re: [go-nuts] tls: unsupported SSLv2 handshake received

2019-09-17 Thread Ian Lance Taylor
[ +filippo ] On Tue, Sep 17, 2019 at 1:14 AM Prabhash Rathore wrote: > > Hello, > > We run one of the large volume MTA (Mail Transfer Agent) servers which is > responsible for receiving emails from internet. This SMTP server is > implemented in Golang. > > We notice around 2% of TLS connections

[go-nuts] tls: unsupported SSLv2 handshake received

2019-09-17 Thread Prabhash Rathore
Hello, We run one of the large volume MTA (Mail Transfer Agent) servers which is responsible for receiving emails from internet. This SMTP server is implemented in Golang. We notice around 2% of TLS connections (clients use Starttls to upgrade plain connection to TLS) fail with following error