diff --git a/Dockerfile b/Dockerfile
index 93f7beb..c1d5328 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,29 +1,33 @@
 ARG MSMTP_VERSION=1.8.16
+ARG ALPINE_S6_VERSION=3.14-2.2.0.3
+ARG XX_VERSION=1.0.0-rc.2
 
-FROM --platform=${BUILDPLATFORM:-linux/amd64} crazymax/alpine-s6:3.14-2.2.0.3 AS download
-RUN apk --update --no-cache add curl tar unzip xz
-
-ARG MSMTP_VERSION
-WORKDIR /dist/msmtp
-RUN curl -sSL "https://marlam.de/msmtp/releases/msmtp-$MSMTP_VERSION.tar.xz" | tar xJv --strip 1
-
-FROM crazymax/alpine-s6:3.14-2.2.0.3 AS builder
+FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
+FROM --platform=$BUILDPLATFORM crazymax/alpine-s6:${ALPINE_S6_VERSION} AS builder
 RUN apk --update --no-cache add \
-    autoconf \
-    automake \
-    binutils \
     build-base \
+    clang \
+    curl \
     gettext-dev \
     gnutls-dev \
     libidn2-dev \
     libgsasl-dev \
     libsecret-dev \
     openssl-dev \
+    tar \
+    unzip \
+    xz \
   && rm -rf /tmp/*
 
-COPY --from=download /dist/msmtp /tmp/msmtp
-WORKDIR /tmp/msmtp
+ARG MSMTP_VERSION
+WORKDIR /src
+RUN curl -sSL "https://marlam.de/msmtp/releases/msmtp-$MSMTP_VERSION.tar.xz" | tar xJv --strip 1
+
+ARG TARGETPLATFORM
+ENV XX_CC_PREFER_LINKER=ld
+COPY --from=xx / /
 RUN ./configure \
+    --host=$(xx-clang --print-target-triple) \
     --prefix=/usr \
     --sysconfdir=/etc \
     --mandir=/usr/share/man \
@@ -32,7 +36,7 @@ RUN ./configure \
   && make install \
   && msmtp --version
 
-FROM crazymax/alpine-s6:3.14-2.2.0.3
+FROM crazymax/alpine-s6:${ALPINE_S6_VERSION}
 
 ENV S6_BEHAVIOUR_IF_STAGE2_FAILS="2" \
   TZ="UTC" \