Ono do spamu ide vsetko, nie len autoodpoved.
Google hovori o danom emaily:
"Why is this message in Spam? It's similar to messages that were detected by our spam filters."
Sranda je ale to, ze ak poslem testovaci email napr. 3 roznym adresatom (vsetci maju gmail), tak kludne jednemu pride do SPAM boxu a dvom nie...