--------> r1 router <--------
local_part=unknown domain=recurse.test.ex
checking domains
+recurse.test.ex in domains? yes (end of list)
calling r1 router
r1 router called for unknown@recurse.test.ex
domain = recurse.test.ex
+main lookup for domain
r1 router widened recurse.test.ex to recurse.test.ex.test.ex
+main lookup for domain
domain changed to recurse.test.ex.test.ex
rewriting header lines
re-routed to unknown@recurse.test.ex.test.ex
--------> r1 router <--------
local_part=unknown domain=recurse.test.ex.test.ex
checking domains
+recurse.test.ex.test.ex in domains? yes (end of list)
calling r1 router
r1 router called for unknown@recurse.test.ex.test.ex
domain = recurse.test.ex.test.ex
+main lookup for domain
set transport t1
queued for t1 transport: local_part = unknown
domain = recurse.test.ex.test.ex