Thanks for the information. If I understand correctly, an email is scan by spamassassin and in this email, a link or a headers point to a an "invalid" domain.
Thanks, François 2009/9/17 LuKreme <krem...@kreme.com>: > On Sep 17, 2009, at 11:25, Jason Bertoch <ja...@i6ix.com> wrote: > >> Per Jessen wrote: >>> >>> A domain name component cannot be more than 63 characters. >> >> I am under the impression that host names are limited to 255 characters. >> Maybe I missed something in the RFC? > > No, 255 TOTAL characters, but no one component can exceed 63. > >