Pull Transaction Replication over non trusted domain

I go the following error when subscribe to run. I have look at Hilary Cotter thread but I can't seem to figure this one out.

thanks...


(Transaction sequence number: 0x00022B9900032F92003500000000, Command ID: 10)

Error messages:
The process could not read file '\\ncn1-db1\repldata\unc\ncn1-DB1_table_PUBLISHER\20071212100089\WbContact_7.pre' due to OS error 1326. (Source: MSSQL_REPL, Error number: MSSQL_REPL20024)
Get help: http://help/MSSQL_REPL20024
Logon failure: unknown user name or bad password.
 (Source: MSSQL_REPL, Error number: MSSQL_REPL1326)
Get help: http://help/MSSQL_REPL1326