smtpd: get a new db connection for every incoming email. cc: #213
smtpd: get a new db connection for every incoming email. cc: #213

iphoting/healthchecks,healthchecks/healthchecks,iphoting/healthchecks,healthchecks/healthchecks,iphoting/healthchecks,healthchecks/healthchecks,iphoting/healthchecks,healthchecks/healthchecks