qmail: put $domain into control/smtpgreeting for correct rDNS SMTP banner
qmail: put $domain into control/smtpgreeting for correct rDNS SMTP banner

snscltt/cosmofox.net,alexh-name/plaintext.blog,alexh-name/plaintext.blog,alexh-name/plaintext.blog,snscltt/pomm.es,alexh-name/0101010.one,snscltt/cosmofox.net,alexh-name/0101010.one,snscltt/pomm.es