t1:
driver = appendfile
- file = DIR/test-mail/$local_part
+ file = DIR/test-mail/${bless:$local_part}
user = CALLER
transport_filter = /non/existent/file
driver = smtp
hosts = 127.0.0.1
port = PORT_S
+ hosts_try_fastopen = :
allow_localhost
transport_filter = /non/existent/file