Actually, temporary rejections are only sent when the rejection could be caused
by a DNS failure or timeout. Everything else is permanent. Specifically,
these filters send permanent error codes:
dns-blacklist-entry
dns-blacklist-file
filter-level
greeting-delay-s
Sam,
I suppose that all rejects are sent back as temporary failures. Is it
possible to select specific ones and send back as permanent? For
example, I have two spam sites that pound my server daily over several
years. Do you think sending back permanent errors will dissuade these
sites or a