We have implemented a number of aggressive tools and policies to reduce the volume of spam and malicious email content received by our clients and users.
In simple terms, spam, unsolicited commercial email, and other unwanted email will not be tolerated.

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Our Spam Fighting Tools:

Walker-McCulloch Internet Services Email Management System
Monitors and filters all email on all servers currently being managed Walker-McCulloch Internet Services Email Management System including
www.calfcreek.net, www.delandenterprises.com, and www.deland-enterprises.com. Our system uses a wide variety of mechanisms including header and text analysis, bayesian filtering, dns blacklists / blocklists, and various filtering databases. We also use customized blacklist and whitelist databases which reject email from most non - us and non standard top level domains as well as specific domains and email addresses known to be sources of large amounts of spam.
An example would be "hotmail.com".
Our system also filters and rejects most email which contains sexually explicit content, messages which contain images with no text, messages which contain large amounts of HTML code with little or no text, and email which contains certain common spam words / phrases or links to known spam websites.


Other Information:
We closely monitor our email system and work closely with other Internet Services Providers, law enforcement authorities, various state and federal agencies, and some private organizations in an aggressive attempt to stop spam and unsolicited commercial email. Information about spammers or persons using email to commit or attempt to commit criminal activity may be turned over to appropriate authorities for investigation. We also reserve the right to bring civil court action against persons abusing or attempting to abuse our email system.

Questions:
We have very high confidence that the spam fighting policies we have implemented are reliable and accurate. However, if you are a real person attempting to send legitimate email to one of the email addresses on one of our systems and that email is being incorrectly blocked by one or more of our spam tools, try one of these suggestions:

1) Make sure you are sending your email from a legitimate email service and account.
Email from anonymous remailers and domains known to harbor spammers, (for example, mail.com and hotmail.com), are not allowed and will be blocked.
2) Make sure that your email does not contain sexually explicit language or links to sexually explicit websites.
3) If your email contains no text or very little text, (only images or html code), it may be blocked.

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Current Domains being blocked:
*@hotmail.com          known to harbor spammers and is a large source of spam
*@telus.net                 known to harbor spammers and is a large source of spam                                       
*@mail.com                known to harbor spammers and is a large source of spam
*@uu.net                    known to harbor spammers and is a large source of spam
*@infoserv.com          known to harbor spammers and is a large source of spam
*@100mb.net             known to harbor spammers and is a large source of spam

Current TLD's (top level domains) being blocked:
(most foreign / non U.S.) TLD's as well as some non standard TLD's are blocked due to large amounts of spam originating from those TLD's)
*@*.de
*@*.it
*@*.uk
*@*.is
*@*.it
*@*.au
*@*.cn
*@*.at
*@*.ru
*@*.ch
*@*.ar
*@*.es
*@*.jp
*@*.kr
*@*.ua
*@*.nl
*@*.nz
*@*.tr

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