Because sendmail and most other mailers remove the Bcc headers. I gave up on ssmtp and nbsmtp after about a half an hour of each. They're really quite broken in their own ways.
- [dev] [OT] Bcc disaster: Bcc headers not stripped stanio
- Re: [dev] [OT] Bcc disaster: Bcc headers not stripped Kris Maglione
- Re: [dev] [OT] Bcc disaster: Bcc headers not stripped Antoni Grzymala
- Re: [dev] [OT] Bcc disaster: Bcc headers not stripped Premysl Hruby
