Kaspersky Hosted Email Security

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	Tips how to contact the provider and to change your MX record How long does it take to enable the Kaspersky Hosted Email Security service? Does the Kaspersky Hosted Email Security service restrict the size of the incoming mail or slow traffic?

For Kaspersky Hosted Email Security service to function correctly your mail server should be configured the following way: 

• Disable check of rbl-lists, if the checks have been enabled 
• Disable reverse dns lookups 
• Add IP address of the Kaspersky Lab’s servers (81.176.69.0/24, 85.12.1.0/24, 85.12.57.0/24, 82.98.75.128/26, 213.254.204.128/26, 212.5.80.4) to white lists of all mail filters 
• Ban receive of mail from other IP addresses. It can be either set in the firewall settings or in the mail server settings.
• Enable the option to accept the messages without sender’s address, if it was disabled.
• Accept all connections from Kaspersky Lab’s servers irrespective of their number.

IP addresses should not be changed in the current MX records for IP addresses of Kaspersky Hosted Email Security service. CNAME (canonical name) should also not be defined for the records which indicate to hostedsecurity.biz. As by default the current MX records are used to deliver mail to your server. If the records are changed the mail is accepted and/or delivered incorrectly.