Nexcess Knowledge Base

Learn how Nexcess clients on physical (non-cloud) servers can use SiteWorx to install SSL certificates and set up an SSL chain certificate — regarding intermediate and root certificate authorities.

Learn how to use SiteWorx to enable SpamAssassin and configure its rules for handling spam.

Common questions and answers relating to domain registration.

How Nexcess clients in dedicated or cluster environments can configure reverse DNS records from their Nexcess Client Portal.

How to cancel an existing SSL certificate attached to a Nexcess service from within your Nexcess Client Portal.

Standing for server name indication, SNI is an TLS protocol extension that allows a server to connect multiple SSL certificates a single IP address.

Extended Validation (EV) multi-domain SSL certificates — or Subject Alternative Name (SAN) certificates —allow a domain owner to assign multiple domains and sub-domains to a single SSL certificate.

How to enable and disable automatically generated reply messages for the domain attached to your Nexcess account.

How Nexcess clients on physical (non-cloud) servers can use SiteWorx to add, edit, and delete DNS records.

Learn how to use various email clients to retrieve email headers, which provide useful information about unwanted emails or emails that fail to send.