We have ORACLE 9.2.0.8 and 10.2.0.2 on Redhat servers (4.3). I tried to send mail from ORACLE (we use utl_smtp.data( conn, mesg );). We always get one time work, second time fail repeatly. Does any one know why?? =============================================== SQL> @mailbody 32 . SQL> / PL/SQL procedure successfully completed. SQL> / Declare * ERROR at line 1: ORA-29278: SMTP transient error: 421 Service not available ORA-06512: at "SYS.UTL_SMTP", line 17 ORA-06512: at "SYS.UTL_SMTP", line 96 ORA-06512: at "SYS.UTL_SMTP", line 138 ORA-06512: at line 15 SQL> / PL/SQL procedure successfully completed. SQL> / Declare * ERROR at line 1: ORA-29278: SMTP transient error: 421 Service not available ORA-06512: at "SYS.UTL_SMTP", line 17 ORA-06512: at "SYS.UTL_SMTP", line 96 ORA-06512: at "SYS.UTL_SMTP", line 138 ORA-06512: at line 15 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- //www.freelists.org/webpage/oracle-l