merge revision(s) 55324,55325: [Backport #13651]
* lib/net/smtp.rb (getok, get_response): raise an ArgumentError when CR or LF is included in a line, because they are not allowed in RFC5321. RFC5321. Thanks, Jeremy Daer.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59230 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 55324,55325: [Backport #13651]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59230 b2dd03c8-39d4-4d8f-98ff-823fe69b080e