diff --git a/cmd/trello2mail/config.go b/cmd/trello2mail/config.go
index d09ecb5..ebdef1a 100644
--- a/cmd/trello2mail/config.go
+++ b/cmd/trello2mail/config.go
@@ -3,12 +3,10 @@ package main
 import (
 	"errors"
 	"fmt"
-	// "log"
+	// "github.com/davecgh/go-spew/spew"
+	"log"
 	"os"
 	"strconv"
-	// "net"
-	// "net/mail"
-	// "gopkg.in/russross/blackfriday.v2"
 )
 
 type ConfigEntry struct {
@@ -60,15 +58,20 @@ func (config *Config) ParseEnv() (int, error) {
 		"SMTP_PASSWORD": ConfigEntry{"string", &(config.Smtp.Password), nil},
 		"SMTP_PORT":     ConfigEntry{"uint16", &(config.Smtp.Port), nil},
 
-		"SMTP_AUTH_TYPE":     ConfigEntry{"string", &(config.Smtp.AuthType), []string{"none", "plain", "login"}},
-		"SMTP_SECURITY_TYPE": ConfigEntry{"string", &(config.Smtp.SecurityType), []string{"none", "tls", "starttls"}},
+		"SMTP_AUTH_TYPE": ConfigEntry{"string",
+			&(config.Smtp.AuthType), []string{"none", "plain", "login"}},
+		"SMTP_SECURITY_TYPE": ConfigEntry{"string",
+			&(config.Smtp.SecurityType), []string{"none", "tls", "starttls"}},
 	}
 
 	for envVar, mapEntry := range dataMap {
 		envValue := os.Getenv(envVar)
 		if len(envValue) == 0 {
-			return -1, errors.New(fmt.Sprintf(
-				"Empty environment variable. Please set %s value", envVar))
+			errmsg := fmt.Sprintf(
+				"Empty environment variable. Please set %s value",
+				envVar,
+			)
+			log.Panic(errors.New(errmsg))
 		}
 
 		if mapEntry.Values != nil {
@@ -79,8 +82,13 @@ func (config *Config) ParseEnv() (int, error) {
 				}
 			}
 			if !allowedValue {
-				return -1, errors.New(fmt.Sprintf(
-					"Wrong value for %s=%s. Value must be one of %v", envVar, envValue, mapEntry.Values))
+				errmsg := fmt.Sprintf(
+					"Wrong value for %s=%s. Value must be one of %v",
+					envVar,
+					envValue,
+					mapEntry.Values,
+				)
+				log.Panic(errors.New(errmsg))
 			}
 		}
 
@@ -91,23 +99,36 @@ func (config *Config) ParseEnv() (int, error) {
 		case "uint16":
 			u64, err := strconv.ParseUint(envValue, 10, 16)
 			if err != nil {
-				return -1, errors.New(fmt.Sprintf(
-					"Unable to convert %s=%s to unsigned int", envVar, envValue))
+				errmsg := fmt.Sprintf(
+					"Unable to convert %s=%s to unsigned int",
+					envVar,
+					envValue,
+				)
+				log.Panic(errors.New(errmsg))
 			}
 			*(mapEntry.Ptr.(*uint16)) = uint16(u64)
 
 		case "bool":
 			b, err := strconv.ParseBool(envValue)
 			if err != nil {
-				return -1, errors.New(fmt.Sprintf(
-					"Unable to convert %s=%s to boolean", envVar, envValue))
+				errmsg := fmt.Sprintf(
+					"Unable to convert %s=%s to boolean",
+					envVar,
+					envValue,
+				)
+				log.Panic(errors.New(errmsg))
 			}
 			*(mapEntry.Ptr.(*bool)) = b
 
 		default:
-			return -1, errors.New(fmt.Sprintf("Undefined parser for %s<%s>", envVar, mapEntry.Type))
+			errmsg := fmt.Sprintf(
+				"Undefined parser for %s<%s>",
+				envVar,
+				mapEntry.Type,
+			)
+			log.Panic(errors.New(errmsg))
 		}
 	}
-	fmt.Printf("%#v\n", config)
+	// spew.Dump(config)
 	return 0, nil
 }
diff --git a/cmd/trello2mail/email.go b/cmd/trello2mail/email.go
index 7d6d2e0..e7283f2 100644
--- a/cmd/trello2mail/email.go
+++ b/cmd/trello2mail/email.go
@@ -1,15 +1,14 @@
 package main
 
 import (
-	"crypto/tls"
-	// "errors"
-	"fmt"
-	"log"
-	// "os"
-	// "strconv"
-	// "net"
-	// "net/mail"
-	"net/smtp"
+// "errors"
+// "fmt"
+// "log"
+// "os"
+// "strconv"
+// "net"
+// "net/mail"
+// "net/smtp"
 )
 
 type MailHeaders map[string]string
diff --git a/cmd/trello2mail/main.go b/cmd/trello2mail/main.go
index e8bd659..73a3b6b 100644
--- a/cmd/trello2mail/main.go
+++ b/cmd/trello2mail/main.go
@@ -6,12 +6,8 @@ package main
 // - Markdown rendering https://github.com/russross/blackfriday
 
 import (
-	"fmt"
-	"log"
-	"os"
-	// "net"
-	// "net/mail"
-	// "gopkg.in/russross/blackfriday.v2"
+// "gopkg.in/russross/blackfriday.v2"
+// "github.com/davecgh/go-spew/spew"
 )
 
 func BuildContent(config Config) []string {
@@ -30,39 +26,24 @@ func ImportFromTrello() {
 func main() {
 	// Setup config
 	config := NewConfig()
-	if _, err := config.ParseEnv(); err != nil {
-		fmt.Fprintf(os.Stderr, "Error: %s\n", err.Error())
-		os.Exit(1)
-	}
+	config.ParseEnv()
 
 	// Get task list as markdown
 	trelloCtx := NewTrello(config.Trello.Token)
 	trelloBoard := trelloCtx.GetBoard(config.Trello.Url)
 	trelloMarkdown := trelloBoard.ExportToMarkdown()
+	panic("samere")
 
-	// Create and send email
+	// Create email enveloppe
 	email := NewEmail()
 	email.MakeHeaders(config.Email)
 	email.MakeBody(trelloMarkdown)
 	email.Send()
 
-	transport := NewTransport(config.Smtp) 
-	if err := transport.Authenticate() {
-		log.Panic(err)
-	}
+	// Connect and send email
+	transport := NewTransport(config.Smtp)
+	transport.Dial()
+	transport.Authenticate()
 	transport.Send(email)
-
-	// Connect & authenticate
-	fmt.Println("Connecting...")
-	client := NewSmtpClient(*config)
-
-	// Build auth
-	authConfig := NewAuth(*config)
-	fmt.Printf("Authenticating...\n")
-
-	if err := client.Auth(*authConfig); err != nil {
-	fmt.Println("Disconnecting...")
-	client.Quit()
-
-	// Write email
+	transport.Quit()
 }
diff --git a/cmd/trello2mail/transport.go b/cmd/trello2mail/transport.go
index 1457f80..99a05c1 100644
--- a/cmd/trello2mail/transport.go
+++ b/cmd/trello2mail/transport.go
@@ -1,7 +1,10 @@
 package main
 
 import (
+	"crypto/tls"
 	"fmt"
+	"log"
+	"net/smtp"
 )
 
 type TransportCtx struct {
@@ -18,7 +21,7 @@ func NewTransport(config SmtpConfig) *TransportCtx {
 	ctx.Address = fmt.Sprintf("%s:%d", config.Hostname, config.Port)
 	ctx.Auth = NewTransportAuth(config)
 	ctx.Tls = NewTransportTls(config)
-	return ctx
+	return &ctx
 }
 
 func NewTransportAuth(config SmtpConfig) *smtp.Auth {
@@ -49,49 +52,67 @@ func NewTransportTls(config SmtpConfig) *tls.Config {
 	}
 }
 
-func (*TransportCtx) DialInsecure() error {
+func (ctx *TransportCtx) DialInsecure() {
+	// no SSL/TLS
+	fmt.Println("Creating SMTP client...")
+	c, err := smtp.Dial(ctx.Address)
+	if err != nil {
+		log.Panic(err)
+	}
+	ctx.Client = c
 }
 
-func (*TransportCtx) DialTls() error {
+func (ctx *TransportCtx) DialTls() {
+	fmt.Printf("Creating TLS connection to %s...\n", ctx.Address)
+	conn, err := tls.Dial("tcp", ctx.Address, ctx.Tls)
+	if err != nil {
+		log.Panic(err)
+	}
+
+	fmt.Println("Creating SMTP client...")
+	c, err := smtp.NewClient(conn, ctx.Config.Hostname)
+	if err != nil {
+		log.Panic(err)
+	}
+	ctx.Client = c
 }
 
-func (*TransportCtx) DialStartTls(address) error {
+func (ctx *TransportCtx) DialStartTls() {
+	fmt.Println("Creating SMTP client...")
+	c, err := smtp.Dial(ctx.Address)
+	if err != nil {
+		log.Panic(err)
+	}
+	fmt.Printf("Creating StartTLS connection to %s...\n", ctx.Address)
+	c.StartTLS(ctx.Tls)
+
+	ctx.Client = c
 }
 
-func (*TransportCtx) Dial() *smtp.Client {
-	switch config.SecurityType {
+func (ctx *TransportCtx) Dial() {
+	switch ctx.Config.SecurityType {
 	case "tls":
-		fmt.Printf("Creating TLS connection to %s...\n", address)
-		conn, err := tls.Dial("tcp", address, tlsConfig)
-		if err != nil {
-			log.Panic(err)
-		}
-
-		fmt.Println("Creating SMTP client...")
-		c, err := smtp.NewClient(conn, config.Hostname)
-		if err != nil {
-			log.Panic(err)
-		}
-		return c
+		ctx.DialTls()
 
 	case "starttls":
-		fmt.Println("Creating SMTP client...")
-		c, err := smtp.Dial(address)
-		if err != nil {
-			log.Panic(err)
-		}
-		fmt.Printf("Creating StartTLS connection to %s...\n", address)
-		c.StartTLS(tlsConfig)
-
-		return c
+		ctx.DialStartTls()
 
 	default:
-		// no SSL/TLS
-		fmt.Println("Creating SMTP client...")
-		c, err := smtp.Dial(address)
-		if err != nil {
-			log.Panic(err)
-		}
-		return c
+		ctx.DialInsecure()
 	}
 }
+
+func (ctx *TransportCtx) Authenticate() {
+	err := ctx.Client.Auth(*ctx.Auth)
+	if err != nil {
+		log.Panic(err)
+	}
+}
+
+func (ctx *TransportCtx) Quit() {
+	ctx.Client.Quit()
+}
+
+func (ctx *TransportCtx) Send(email *EmailCtx) {
+	return
+}
diff --git a/cmd/trello2mail/trello.go b/cmd/trello2mail/trello.go
index e202b1c..ecc1b55 100644
--- a/cmd/trello2mail/trello.go
+++ b/cmd/trello2mail/trello.go
@@ -1,18 +1,23 @@
-// create taskell configuration
-// run taskell and read content ?
-// use https://github.com/adlio/trello ?
-
 package main
 
 import (
-	"fmt"
-	//"github.com/VojtechVitek/go-trello"
+	//	"errors"
+	//	"fmt"
+	"github.com/adlio/trello"
+	//	"github.com/davecgh/go-spew/spew"
+	//	"log"
 	"os/exec"
-	"strings"
+	//	"strings"
+)
+
+const (
+	// FIXME: declare app to trello and get a real token for this app
+	APP_KEY string = "80dbcf6f88f62cc5639774e13342c20b"
 )
 
 type TrelloCtx struct {
-	Token string
+	Token  string
+	Client *trello.Client
 }
 
 type TrelloItem struct {
@@ -41,7 +46,32 @@ func runcmd(command string) string {
 }
 
 func NewTrello(token string) *TrelloCtx {
-	return &TrelloCtx{Token: token}
+	client := trello.NewClient(APP_KEY, token)
+	/*
+		spew.Dump(client)
+		if client == nil {
+			url := strings.Join([]string{
+				"https://trello.com/1/authorize?expiration=never",
+				"name=taskell",
+				"scope=read",
+				"response_type=token",
+				fmt.Sprintf("key=%s", APP_KEY),
+			}, "&")
+
+			text := strings.Join([]string{
+				"Wrong TRELLO_TOKEN value. Please visit:",
+				url,
+				"When you have your access token, set TRELLO_TOKEN=<your-token>",
+			}, "\n\n")
+
+			log.Panic(errors.New(text))
+		}
+	*/
+	ctx := TrelloCtx{}
+	ctx.Token = token
+	ctx.Client = client
+
+	return &ctx
 }
 
 func (ctx *TrelloCtx) GetBoard(boardUrl string) TrelloBoard {
@@ -49,9 +79,11 @@ func (ctx *TrelloCtx) GetBoard(boardUrl string) TrelloBoard {
 }
 
 func (*TrelloBoard) ExportToMarkdown() []string {
+	return []string{}
 }
 
+/*
 func RunTaskell(boardUrl string) {
 	cmd := fmt.Sprintf("taskell -t %s -", boardUrl)
 	markdown := strings.TrimSpace(runcmd(cmd))
-}
+}*/