Our system automatically whitelists e-mail addresses that you communicate with, for your entire domain. For example, within your domain hosted with us, you have two users: email@example.com and firstname.lastname@example.org. If joe e-mails email@example.com , firstname.lastname@example.org will become whitelisted for both joe and amy. If email@example.com decides to write to firstname.lastname@example.org or email@example.com, her e-mail will get through without being filtered. For more details on this, please see our page about whitelist / blacklist on domain level.
You can also manually add an e-mail address to the whitelist or blacklist, as described below. Notice that the best way to add whitelist records is using the Spam reports, as it automatically delivers the e-mail and adds sender to your whitelist. Our system uses the Sender instead of the From in the e-mail header, both for blacklist and whitelist, which is automatically done if you authorize e-mails through spam reports. If you enter an e-mail address manually to your black or whitelist and notice it doesn't work, check the e-mail header and look for the X-EmailArray-EnvFrom: field, which should be used. Yet another possibility is that the sender might change each time you receive a certain e-mail. In this case, you can use Rules to delete undesired messages, based on part of the From header address or subject.