extern BOOL disable_ipv6; /* Don't do any IPv6 things */
#ifndef DISABLE_DKIM
-extern unsigned dkim_collect_input; /* Runtime count of dkim signtures; tracks wether SMTP input is fed to DKIM validation */
+extern unsigned dkim_collect_input; /* Runtime count of dkim signtures; tracks whether SMTP input is fed to DKIM validation */
extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
extern int dkim_key_length; /* Expansion variable, length of signing key in bits */
extern void *dkim_signatures; /* Actually a (pdkim_signature *) but most files do not need to know */