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1098 matching practices

Number	Best Practice
13-8-8672	Network Operators should block incoming email file attachments with specific extensions know to carry infections or should filter email file attachment based on content properties.
13-8-8673	Network Operators should establish inbound connection limits on all email services.
13-8-8674	Network Operators and Service Providers should stop all access attempts from IP Addresses with no reverse DNS at the connection level.
13-8-8675	Network Operators should stop all SMTP traffic that has reverse DNS, which reflects home PC connections (i.e. 0.0.127.mydialup.bigisp.com).
13-8-8676	Network Operators should employ Optical Character Recognition techniques to email which allows the ability to read text even when it appears as a graphic image.
13-8-8677	Network Operators should perform content analysis of In-bound e-mails.
13-8-8678	Network Operators and Service Providers should apply URL detection techniques to detect the domain name of spammers.
13-8-8679	Network Operators and Service Providers should avoid acting as a backup Mail Exchange (MX) for other companies.
13-8-8680	Network Operators should avoid quarantining email as much as possible.
13-8-8681	Network Operators and Service Providers should consider employing IP Reputation Services.
13-8-8682	Network Operators and Service Providers should enforce SMTP authentication.
13-8-8683	Network Operators and Service Providers should not allow default catch all email addresses.
13-8-8684	Network Operators and Service Providers should not routinely bounce email wherever possible (valid user checking and virus scanning).
13-8-8685	Network Operators should check sender authentication to mitigate spam.
13-8-8686	Network Operators and Service Providers should employ DNS lookup techniques which are able to determine if the sending e-mail is legitimate and has a valid host name.
13-8-8687	Network Operators and Service Providers should establish an Internal Email Address to which Spam can be forwarded by Employees.
13-8-8688	Network Operators and Service Providers should use Anti-Relay Systems to Protect Mail servers from being hijacked.
13-8-8689	Network Operators should ensure that signaling interface points that connect to IP Private and Corporate networks interfaces are well hardened and protected with firewalls that enforce strong authentication policies.
13-8-8690	Network Operators and Service Providers should deploy tools to detect unexpected changes to file systems on Network Elements and Management Infrastructure systems where feasible and establish procedures for reacting to changes. Use techniques such as cryptographic hashes.
13-8-8692	Network Operators and Service Providers should develop an acceptable use policy for customers of their services and enforce it.

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