eInvite.com primarily specializes in electronic invitations, which means that its main focus is on sending invitations via email. Users can create customized digital invitations and send them through email, ensuring a quick and efficient delivery method. However, eInvite.com does offer options for creating invitations that can be printed and mailed out, allowing users to design their invitations for physical distribution as well. This means that while the primary service revolves around email invitations, users can take it a step further by printing their designs and sending them through traditional mail. It is always a good idea to check the current web page for detailed information about their specific services and features regarding sending invitations to both email and physical addresses.