APPENDDEF(`conf_sendmail_ENVDEF', `-DSTARTTLS -DTLS_EC=1')
APPENDDEF(`conf_sendmail_ENVDEF', `-D_FFR_TLS_ALTNAMES')
APPENDDEF(`conf_sendmail_ENVDEF', `-D_FFR_VRFY_TRUSTED_FIRST')
APPENDDEF(`conf_sendmail_LIBS', `-lssl -lcrypto')