First CLI implementation.
commit
4d4454a14c
GPG Key ID:
0CBE577C9B72DC3F
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package main
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import (
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"flag"
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"fmt"
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"log"
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"reflect"
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"strings"
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toml "github.com/pelletier/go-toml"
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// mail "gopkg.in/gomail.v2"
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)
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type ServerConfig struct {
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Address string `toml:address,omitempty`
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Port int64 `toml:port,omitempty`
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Encryption string `toml:encryption,omitempty`
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User string `toml:user,omitempty`
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Password string `toml:password,omitempty`
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}
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func (s ServerConfig) String() string {
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return fmt.Sprintf(
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"\tAddress: %s\n\tPort: %d\n\tEncryption: %s\n\tUser: %s\n\tPassword: %s\n",
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s.Address,
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s.Port,
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s.Encryption,
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s.User,
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s.Password,
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)
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}
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type Config struct {
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Server *ServerConfig `toml:server,omitempty`
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From string `toml:from,omitempty`
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To []string `toml:to,omitempty`
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Cc []string `toml:cc,omitempty`
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Bcc []string `toml:bcc,omitempty`
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Subject string `toml:subject,omitempty`
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Text string `toml:text,omitempty`
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}
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func (c Config) String() string {
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return fmt.Sprintf(
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"From: %s\nTo: %s\nCc: %s\nBcc: %s\nSubject: %s\nText:\n%s\nServer:\n%s",
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c.From,
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c.To,
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c.Cc,
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c.Bcc,
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c.Subject,
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c.Text,
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c.Server,
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)
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}
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func NewConfig() *Config {
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server := &ServerConfig{}
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config := &Config{}
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config.Server = server
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return config
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}
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func debug(active bool, fmt string, msg ...interface{}) {
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if active {
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log.Printf(fmt, msg...)
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}
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}
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func isPresent(slice []string, val string) bool {
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for _, item := range slice {
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if item == val {
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return true
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}
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}
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return false
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}
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func isEmpty(value interface{}) bool {
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t := reflect.TypeOf(value)
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v := reflect.ValueOf(value)
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switch v.Kind() {
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case reflect.Slice:
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return v.Len() == 1
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default:
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return value == reflect.Zero(t).Interface()
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}
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}
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func readConfig(configPath, section string) *Config {
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config := NewConfig()
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tree, err := toml.LoadFile(configPath)
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if err != nil {
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log.Panicln(err)
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}
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keys := tree.Keys()
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if !isPresent(keys, section) {
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return config
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}
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sub := tree.Get(section).(*toml.Tree)
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err = sub.Unmarshal(config)
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return config
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}
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func (c *Config) Validate() error {
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return nil
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}
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func merge(key string, value, obj interface{}) {
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if isEmpty(value) {
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return
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}
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var elem reflect.Value
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if reflect.TypeOf(obj) != reflect.TypeOf(reflect.Value{}) {
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log.Println("Not Value")
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elem = reflect.ValueOf(obj).Elem()
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} else {
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log.Println("Value")
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elem = obj.(reflect.Value)
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}
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field := elem.FieldByName(key)
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if field.CanSet() {
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switch field.Kind() {
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case reflect.Int64:
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field.SetInt(value.(int64))
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case reflect.Bool:
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field.SetBool(value.(bool))
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case reflect.String:
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field.SetString(value.(string))
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case reflect.Slice:
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field.Set(reflect.ValueOf(value))
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default:
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merge(key, reflect.ValueOf(value), field)
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//merge(key, value, field.Pointer())
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}
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}
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}
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func (s *ServerConfig) Merge(key string, value interface{}) {
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merge(key, value, s)
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}
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func (c *Config) Merge(key string, value interface{}) {
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merge(key, value, c)
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}
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func main() {
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//var err error
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var configPath, section, serverAddress, encryption, user, password, to, cc, bcc, from, subject string
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var dbg bool
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var serverPort_ int
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var serverPort int64
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flag.StringVar(&configPath, "conf", "/etc/sendmail.toml", "Path to a config file (defaults to /etc/sendmail.toml)")
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flag.StringVar(§ion, "section", "default", "Section of the conf to read (defaults to \"default\")")
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flag.BoolVar(&dbg, "dbg", false, "Enable debugging output")
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flag.StringVar(&serverAddress, "server-address", "", "The SMTP server address")
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flag.IntVar(&serverPort_, "server-port", 0, "The SMTP server")
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flag.StringVar(&encryption, "encryption", "", "The encryption type (no, starttls, tls)")
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flag.StringVar(&user, "user", "", "The user to authenticate with to the server")
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flag.StringVar(&password, "password", "", "The password to authenticate with to the server")
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flag.StringVar(&to, "to", "", "Comma-separated list of recipient(s)")
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flag.StringVar(&cc, "cc", "", "Comma-separated list of carbon-copy recipient(s)")
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flag.StringVar(&bcc, "bcc", "", "Comma-separated list of blind carbon-copy recipient(s)")
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flag.StringVar(&from, "from", "", "Sender of the mail (used as default account user to log in on the SMTP server)")
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flag.StringVar(&subject, "sub", "", "Subject of the mail")
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flag.Parse()
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serverPort = int64(serverPort_)
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debug(
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dbg,
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`parameters:
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conf: %s
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dbg: %t
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address: %s
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port: %d
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encryption: %s
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user: %s
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password: %s
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to: %s
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from: %s
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subject: %s`,
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configPath,
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dbg,
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serverAddress,
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serverPort,
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encryption,
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user,
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password,
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to,
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from,
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subject,
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)
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config := readConfig(configPath, section)
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debug(dbg, "\n%s", *config)
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// config.Server.Merge("Address", serverAddress)
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// config.Server.Merge("Port", serverPort)
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// config.Server.Merge("Encryption", encryption)
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// config.Server.Merge("User", user)
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// config.Server.Merge("Password", password)
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config.Merge("Server", &ServerConfig{serverAddress, serverPort, encryption, user, password})
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config.Merge("From", from)
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config.Merge("To", strings.Split(to, ","))
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config.Merge("Cc", strings.Split(cc, ","))
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config.Merge("Bcc", strings.Split(bcc, ","))
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config.Merge("Subject", subject)
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// config.Merge("Text", text)
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debug(dbg, "\n%s", config)
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}
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@ -0,0 +1,50 @@
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[default]
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from = "me@domain.com"
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to = ["test@dom.in","test@examle.com"]
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cc = ["other@foo.com","name@bar.org"]
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bcc = ["forever@alone.com"]
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subject = "My favourite topic"
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text = '''
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Hello,
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I am the crown prince of Nigeria.
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I need to launder some money, would you help?
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Greetings
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'''
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[default.server]
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address = "1.3.1.2"
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port = 587
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encryption = "tls"
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user = "faggiano@uccelli.net"
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password = "yougetit"
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[personal]
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from = "notme@domain.com"
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to = ["test@dom.in","test@examle.com"]
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cc = ["other@foo.com","name@bar.org"]
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bcc = ["forever@alone.com"]
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subject = "My favourite topic"
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text = '''
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I am an h4X0r. I infected your computer.
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You will follow this instructions or I will publish your
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most personal pictures.
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https://followthewhiterabbit.com
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'''
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[personal.server]
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address = "10.13.12.10"
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port = 25
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encryption = "starttls"
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user = "master@domain.local"
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password = "yougetitagain"
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[secret]
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[secret.server]
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address = "my.server.org"
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port = 12345
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encryption = "tls"
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user = "me"
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