alpine approach completed

Dockerfile

@@ -12,10 +12,14 @@ ENV RELAYNETS=""
 
 RUN apk add --no-cache exim bash
 
+COPY exim.conf.tmpl /etc/exim
+COPY start.sh /etc/exim
+
 WORKDIR /etc/exim
 
 EXPOSE 25
 
+CMD [ "./start.sh" ]
 
  
 

adjust-config.sh

@@ -1,15 +0,0 @@
-#!/bin/bash
-
-cat update-exim4.conf.tmpl \
-  | sed -e 's/%HOSTNAME%/'$HOSTNAME'/' \
-        -e 's#%RELAYNETS%#'$RELAYNETS'#' \
-        -e 's/%LOCALMAILNAME%/'$LOCALMAILNAME'/' \
-        -e 's/%SMARTHOST%/'$SMARTHOST'/' \
-  > update-exim4.conf.conf 
-cat aliases.tmpl \
-  | sed -e 's/%ROOT%/'"$ROOT"'/' \
-  > ../aliases && \
-newaliases
-
-/usr/sbin/update-exim4.conf -v
-

exim.conf.tmpl

@@ -1,5 +1,5 @@
-primary_hostname = mail.hottis.de
+primary_hostname = %HOSTNAME%
-qualify_domain = hottis.de
+qualify_domain = %LOCALMAILNAME%
 
 acl_smtp_rcpt = acl_check_rcpt
 
@@ -8,7 +8,7 @@ smarthost_route:
   driver = manualroute
   domains = *
   transport = smarthost_smtp
-  route_list = * mail.bighost.com
+  route_list = * %SMARTHOST%
 
 begin transports
 smarthost_smtp:
@@ -19,10 +19,10 @@ smarthost_smtp:
 begin acl
 acl_check_rcpt:
   accept
-    hosts = 172.17.0.0/16 : 172.16.3.0/24
+    hosts = %RELAYNETS%
   deny
     message = "Relaying denied"
 
 begin rewrite
-*@* ${expand:${1}@${qualify_domain}}
+*@* ${1}@${qualify_domain} Ffrs
 

start.sh

@@ -1,5 +1,13 @@
 #!/bin/bash
 
-./adjust-config.sh
+rm exim.conf
-exim -bd -q15m 
+
+cat exim.conf.tmpl \
+  | sed -e 's/%HOSTNAME%/'$HOSTNAME'/' \
+        -e 's#%RELAYNETS%#'$RELAYNETS'#' \
+        -e 's/%LOCALMAILNAME%/'$LOCALMAILNAME'/' \
+        -e 's/%SMARTHOST%/'$SMARTHOST'/' \
+  > exim.conf 
+
+exim -bd -q15m -v