smmapd.ini snippet:

[pgworker]
obj = /home/who/Sources/sf/test/pgworker/lib/libpg_worker.so
debug = 1
sql_statement = SELECT a.mailuser, a.mailtarget, a.mailalias FROM mailaddress_t
a, domain_t d WHERE a.address=$1 and d.name=$2 and a.domain = d.id
input_delimiter = |
output_format_string = <$1><$2><$3>
dbhost = confdb.hottis.de
dbname = config
dbuser = lurker
dbpass = lurker123