Flip starttls flag to fix #58

DOCS.md

@@ -10,7 +10,7 @@ You can configure the plugin using the following parameters:
 * **username** - SMTP username
 * **password** - SMTP password
 * **skip_verify** - Skip verification of SSL certificates, defaults to `false`
-* **starttls** - Enable/Disable STARTTLS
+* **no_starttls** - Enable/Disable STARTTLS
 * **recipients** - List of recipients to send this mail to (besides the commit author)
 * **recipients_file** - Filename to load additional recipients from (textfile with one email per line) (besides the commit author)
 * **recipients_only** - Do not send mails to the commit author, but only to **recipients**, defaults to `false`
@@ -145,5 +145,5 @@ steps:
       host: smtp.mailgun.org
       username: octocat
       password: 12345
-+     starttls: false
++     no_starttls: true
 ```

main.go

@@ -67,9 +67,9 @@ func main() {
 			EnvVar: "PLUGIN_SKIP_VERIFY",
 		},
 		cli.BoolFlag{
-			Name:   "starttls",
+			Name:   "no.starttls",
 			Usage:  "Enable/Disable STARTTLS",
-			EnvVar: "PLUGIN_STARTTLS",
+			EnvVar: "PLUGIN_NO_STARTTLS",
 		},
 		cli.StringFlag{
 			Name:   "recipients.file",
@@ -412,7 +412,7 @@ func run(c *cli.Context) error {
 			Username:       c.String("username"),
 			Password:       c.String("password"),
 			SkipVerify:     c.Bool("skip.verify"),
-			StartTLS:       c.Bool("starttls"),
+			NoStartTLS:     c.Bool("no.starttls"),
 			Recipients:     c.StringSlice("recipients"),
 			RecipientsFile: c.String("recipients.file"),
 			RecipientsOnly: c.Bool("recipients.only"),

plugin.go

@@ -88,7 +88,7 @@ type (
 		Username       string
 		Password       string
 		SkipVerify     bool
-		StartTLS       bool
+		NoStartTLS     bool
 		Recipients     []string
 		RecipientsFile string
 		RecipientsOnly bool
@@ -153,7 +153,7 @@ func (p Plugin) Exec() error {
 		dialer.TLSConfig = &tls.Config{InsecureSkipVerify: true}
 	}
 
-	if !p.Config.StartTLS {
+	if p.Config.NoStartTLS {
 		dialer.StartTLSPolicy = gomail.NoStartTLS
 	}