Drop recipient address from 251 and 551 SMTP responses per RFC 821. Problem noted by Kari E. Hurtta of the Finnish Meteorological Institute. Problem noted by Lloyd Parkes of Victoria University. Make sure sender RFC822 source route addresses are alias expanded for bounce messages. Problem noted by Juergen Georgi of RUS University of Stuttgart.
Minor lint fixes.
Return a temporary error instead of a permanent error if an LDAP map search returns an error. This will allow sequenced maps which use other LDAP servers to be checked. Fix from Booker Bense of Stanford University. When automatically converting from quoted printable to 8bit text do not pad bare linefeeds with a space. Problem noted by Ted Roberts of Electronic Data Systems.