#### Configuring Email Black List

To control credit cards fraud at your store, be alert of orders that originate from email addresses issued by free hosting providers like yahoo.com, hotmail.com, etc. It is much better to simply not accept orders from email address originating at free hosting providers. While this may be extreme due to the widespread use of Hotmail and Yahoo addresses, it should at least set off some warning bells when combined with other warning signs.

The black e-mail list allows forming the list of both suspicious domains and mail addresses and filters orders placed by customers that have specified such e-mail addresses while saving credit card in Parallels Business Automation - Standard.

Note: The plug-in recognizes either full and valid e-mail addresses or domain names. All patterns that include @ are considered as full e-mail addresses and the plug-in waits for a valid e-mail when it finds @ in a pattern. For example, such pattern as info@ is considered as an invalid e-mail address and will not be saved.

The match rules are the following:

- To filter a particular e-mail address to the black list, enter this e-mail as is, for example info@mail.com.
- To filter all e-mail from a particular domain, enter this domain name. For example to filter e-mail from the mail.com domain (like user@mail.com, person@mail.com, etc.) enter mail.com domain name.
- To filter all e-mail addresses from child domains in a particular domain, enter a dot and then a parent domain name. For example, to filter mail from all child domains in mail.com domain (like user@domain.mail.com, person@subdomain.mail.com, etc.), enter the .mail.com pattern.

To add a mail server to the black list:

1. Click the New Pattern on the plug-in screen.
2. Type an e-mail address or a domain name pattern into the Pattern field. Please, follow the match rules enlisted above.
3. Click the Update button to save a new pattern.

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