On Mon, Mar 25, 2013 at 04:35:48PM +0100, Fabio Sangiovanni wrote: > I'm trying to figure out how case sensitivity works in a > check_recipient_access regexp table (Postfix 2.6.6).
Try the documentation: http://www.postfix.org/regexp_table.5.html http://www.postfix.org/pcre_table.5.html ... By default, matching is case-insensitive, and newlines are not treated as special characters. The behavior is con- trolled by flags, which are toggled by appending one or more of the following characters after the pattern: i (default: on) Toggles the case sensitivity flag. By default, matching is case insensitive. > /etc/postfix/check_recipient_access.regexp: > /^test@domain\.tld$/i REJECT wrong format See above and head the word *toggles* plus the default setting. -- Viktor.