diff --git a/README.md b/README.md
index 419bfdc..e046141 100644
--- a/README.md
+++ b/README.md
@@ -16,12 +16,13 @@ The config file is a toml file, even though it as of now makes not really use
 of any toml features.
 
 ```toml
-mailDomain   = "the domain of the smtp server to send messages with"
-mailUser     = "the username on the smtp server"
-mailPassword = "the passwond on the smtp server"
-mailTo       = "the mail to send to"
-mailFrom     = "the sender of the mail"
-mailErrorTo  = "the address to send a mail to in case of error"
+[mail]
+domain   = "the domain of the smtp server to send messages with"
+user     = "the username on the smtp server"
+password = "the passwond on the smtp server"
+to       = "the mail to send to"
+from     = "the sender of the mail"
+errorTo  = "the address to send a mail to in case of error"
 ```
 
 ## Develop
diff --git a/app/Config.hs b/app/Config.hs
index 6d87a35..6033e46 100644
--- a/app/Config.hs
+++ b/app/Config.hs
@@ -16,13 +16,13 @@ data Config = Config {
   } deriving Show
 
 configCodec :: TomlCodec Config
-configCodec = Config
-  <$> Toml.string "mailDomain"   .= mailDomain
-  <*> Toml.string "mailUser"     .= mailUsername
-  <*> Toml.string "mailPassword" .= mailPassword
-  <*> Toml.text   "mailTo"       .= mailTo
-  <*> Toml.text   "mailFrom"     .= mailFrom
-  <*> Toml.text   "mailErrorTo"  .= mailErrorTo
+configCodec = table "mail" $ Config
+  <$> Toml.string "domain"   .= mailDomain
+  <*> Toml.string "user"     .= mailUsername
+  <*> Toml.string "password" .= mailPassword
+  <*> Toml.text   "to"       .= mailTo
+  <*> Toml.text   "from"     .= mailFrom
+  <*> Toml.text   "errorTo"  .= mailErrorTo
 
 parseConfigFile :: (MonadIO m, MonadFail m) => String -> m Config
 parseConfigFile path = do