fixed compile error; removed PROT_BSMTP; made protocol names ucase Dont know what PROT_BSMTP had been for. It's not used. RFC 5321 requires the protocol to be: Protocol = "ESMTP" / "SMTP" / Attdl-Protocol We now use upper case too, although it might not matter much.

FILE *peopen(const char *command, const char *type, char *const envp[], int *ret_pid);

FILE *peidopen(const char *command, const char *type, char *const envp[], int *ret_pid, uid_t uid, gid_t gid);