How about a QUIET ADD IMPORT DD=X If they are not subscribed, they will be. If they are subscribed, they won't be re-ADDed. /Pete At 08:41 03/24/2003 Monday, Xabier Altube wrote: >Is there any method to check a list of addresses are subscribed to a list >without doing it one by one through the scan command?? I mean something like >the ADD command used to subscribe many addresses in just one step... I must >check 100 addresses in a list of about 20.000 subscribers...