On Thu, 20 Nov 1997 11:37:15 -0500 Simon Wong said:
>Hi, I'm having some difficulties with the mailing list, I wonder if anyone
>can point out the problem for me.
>
>Some people on my list have been having trouble sending mails to the list
>(mails keep bouncing back).  Also, I've been trying to send listserv
>commands (add people, deleting people etc.) But I keep on getting error
>message;
>
><The recipient "[log in to unmask]"  is not acceptable to your SMTP
>server.  The messsage is not sendable until the recipient has been changed.>

It means their SMTP server doesn't like the address, possibly because it can't
resolve it via the DNS.  Check with the people who run the DNS for your
server to make sure the machine is properly registered.

>Also, could someone please tell me what the following line means?
>
><  Error 5  Creating synchronization event
>   abnormal program termination  >

See the LISTSERV support FAQ:

  http://www.lsoft.com/lsv-faq.html#Sect11

Nathan