I bought a Positive SSL Wildcard Certificate from SSLPoint (reseller of Comodo) for $89/year.   You receive from Comodo: Root CA Certificate - AddTrustExternalCARoot.crt Intermediate CA Certificate - COMODORSAAddTrustCA.crt Intermediate CA Certificate - COMODORSADomainValidationSecureServerCA.crt Your PositiveSSL Wildcard Certificate - STAR_simple-landlord_com.crt  (your domain here)   rename STAR_simple-landlord_com.crt to cert.pem   concatenate (just in notepad) together: AddTrust