I know the original poster said they were using z/OS 1.8 and this does not address the original problem. But IBM now has a replacement SMTP client for z/OS.
http://publib.boulder.ibm.com/infocenter/ieduasst/stgv1r0/topic/com.ibm.iea.commserv_v1/commserv/1.11z/appl/cssmtp.pdf We made the switch a couple months ago with very little effort. Bryan Klimek Mayo Clinic ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

