Nexcess Knowledge Base

Learn how to purchase standard SSL certificates through the Nexcess website, though this is not the preferred method for existing Nexcess clients.

Basic settings for use with IMAP and POP email clients and links to detailed instructions for many popular choices.

Learn how to use the Gmail Mail Fetcher/Google Mail Fetcher feature to send and receive email for your domain. Only the POP3 email protocol is supported, and the IMAP email protocol is not supported.

Overview of DNS propagation and how to use the Nexcess Global DNS checker to verify propagation of your recently migrated site.

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

Learn how Nexcess clients on physical (non-cloud) servers can use SiteWorx to generate and view a CSR — also known as a Certificate Signing Request (CSR).

Wildcard SSL certificates secure website URLs and an unlimited number of subdomains under a single IP address. Wildcard SSL certificates have the same level of security as standard SSL certificates.

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.

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

Learn about DomainKeys (DKIM) and how Nexcess reseller clients can enable them.