diff --git a/core/postfix/Dockerfile b/core/postfix/Dockerfile
index 939feb9c..062155c1 100644
--- a/core/postfix/Dockerfile
+++ b/core/postfix/Dockerfile
@@ -12,7 +12,7 @@ RUN pip3 install socrate==0.2.0
 RUN pip3 install "podop>0.2.5"
 
 # Image specific layers under this line
-RUN apk add --no-cache postfix postfix-pcre cyrus-sasl-plain cyrus-sasl-login
+RUN apk add --no-cache postfix postfix-pcre cyrus-sasl-login
 
 COPY conf /conf
 COPY start.py /start.py