domain: ${domain:local-part@dom.ain}
domain: ${domain:Exim Person <local-part@dom.ain> (that's me)}
domain: ${domain:Exim Person <local-part(foo)@(bar)dom.ain> (that's me)}
+domain: ${domain:a.b.c}
addresses: ${addresses:>' 'abc@xyz, 'pqr@xyz}
addresses: ${addresses:Exim Person <local-part@dom.ain> (that's me)}
lclpt: ${local_part:local-part@dom.ain}
lclpt: ${local_part:Exim Person <local-part@dom.ain> (that's me)}
lclpt: ${local_part:Exim Person <local(comment).part@dom.(comment2)ain> (that's me)}
+lclpt: ${local_part:a.b.c}
quote: ${quote:aZ09_.-Q} ${quote:ab*cd} ${quote:ab\cd"ef}
quote: ${quote:nl(\n)}
quote: ${quote:cr(\r)}
escape: ${escape:B7·F2ò}
****
# Checkout expansion debugging
-exim -d-all+expand -be
+exim -d-all+expand -f sndr@dom -be
primary_hostname: $primary_hostname
+sender_address: $sender_address
match: ${if match{abcd}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
match: ${if match{wxyz}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
${if eq {1}{1}{yes}{${lookup{xx}lsearch{/non/exist}}}}