diff --git a/Cargo.toml b/Cargo.toml
index 99bf84ae..f45e1fec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,6 +26,7 @@ members = ["melib", "ui", "debug_printer", "testing", "text_processing"]
 [features]
 default = []
 notmuch = ["melib/notmuch_backend", "ui/notmuch"]
+jmap = ["melib/jmap_backend",]
 
 # Print tracing logs as meli runs in stderr
 # enable for debug tracing logs: build with --features=debug-tracing
diff --git a/README b/README
index 47fc329e..6d900447 100644
--- a/README
+++ b/README
@@ -65,6 +65,15 @@ To build with notmuch support, prepend the environment variable "MELI_FEATURES='
 
 or if building directly with cargo, use the flag '--features="notmuch"'.
 
+BUILDING WITH JMAP
+=====================
+
+To build with JMAP support, prepend the environment variable "MELI_FEATURES='jmap'" to your make invocation:
+
+# MELI_FEATURES="jmap" make
+
+or if building directly with cargo, use the flag '--features="jmap"'.
+
 DEVELOPMENT
 ===========