int keep_malformed = 4*24*60*60; /* 4 days */
uschar *eldap_dn = NULL;
+const uschar *letter_digit_hyphen_dot =
+ US"abcdefghijklmnopqrstuvwxyz"
+ ".-0123456789"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
#ifdef EXPERIMENTAL_ESMTP_LIMITS
uschar *limits_advertise_hosts = US"*";
#endif
#ifndef DISABLE_PIPE_CONNECT
const pcre2_code *regex_EARLY_PIPE = NULL;
#endif
+int regex_cachesize = 0;
const pcre2_code *regex_ismsgid = NULL;
const pcre2_code *regex_smtp_code = NULL;
const uschar *regex_vars[REGEX_VARS];