######################################################################## ### FILE: /etc/greylistd/whitelist-hosts ### PURPOSE: List of hosts from which we do not want to greylist mail ######################################################################## ### ### This file is not actually read by greylistd, but is normally referenced ### from the Mail Transport Agent (MTA) that invokes greylistd. As such, ### the format of the entries is MTA-dependent. ### ### Most MTAs support at least the following: ### - A single IPv4 address, consisting of 4 octets (0-255): 192.168.0.1 ### - Between one and three octets, indicating an IPv4 network: 192.168.0 ### - A single host name: gluck.debian.org ### - Wildcards in a host name: *.debian.org ### ### Exim 4 supports much more elaborate syntax, including regular expressions ### starting with "^" (e.g.: ^..crm[hx]c..\.comcast\.net), IP addresses with ### netmasks (10.0.0.0/8, 10.0.0.0/255.0.0.0), etc. For full detail, refer to ### section 10.8 in the Exim 4 "spec.txt" file. ### ### !!! IMPORTANT !!! ### If you use host names in this list, beware that lookup failures will ### cause your MTA to temporarily reject the mail - indefinitely. For that ### reason, it is generally better to use IP addresses than host names. #*.debian.org #*.amazon.com #^..crm[hx]c..\.comcast\.net #10.0.0.0/8