Am 02.06.2014 17:11, schrieb st...@thornet.co.uk: > We use sqlgrey as a policy daemon for greylisting. It runs on both our mail > servers with a shared database on one > of them. If the database is unavailable for some reason on the main server > the backup rejects mail with "451 4.3.5 > Server configuration problem" Is it possible to change the default to accept > the mail if the policy daemon fails. > Most of our users would prefer a bit of extra spam to losing genuine mail.
you *do not* lose anything 451 is a *temporary* error 5xx would be a complete reject please learn how email works
