Hi. 2018年11月26日(月) 17:43 Stefan Bauer <cubew...@googlemail.com>: > # telnet mx0.esb.de 25 > Trying 194.77.230.138... > Connected to mx0.esb.de. > Escape character is '^]'. > 220 **************** > ehlo test > 250-mx0.esb.de > 250-8BITMIME > 250-SIZE 52428800 > 250 STARTTLS > starttls > 220 Go ahead with TLS > > But the minus "-" is missing in STARTTLS correct?
that's correct. see: https://tools.ietf.org/html/rfc5321#section-4.2 > The format for multiline replies requires that every line, except the > last, begin with the reply code, followed immediately by a hyphen, > "-" (also known as minus), followed by text. The last line will > begin with the reply code, followed immediately by <SP>, optionally > some text, and <CRLF>. As noted above, servers SHOULD send the <SP> > if subsequent text is not sent, but clients MUST be prepared for it > to be omitted. -- miwarin
