Customized Email templates may be created.
Portal Invitation Tokens:
{0} queryString
{1} expiration
{2} contact.FirstName
{3} contact.LastName
{4} sender.Email
{5} sender.FullName
{6} company.Name
{7} company.WebsiteURL
{8} company.Phone
{9} company.TollFree
{10} company.Email
{11} customer.Name
{12} portal url
{13} personal message
{14} company Address (html formatted)