Problem : ORA-29278: SMTP transient error: 421-4.3.2 Connection rate limit exceeded

Problem : ORA-29278: SMTP transient error: 421-4.3.2 Connection rate limit exceeded

i got one problem with my database. i am getting this error while i am executing one package. please find the error message.

ORA-29278: SMTP transient error: 421-4.3.2 Connection rate limit exceeded
another error is

ORA-30678: too many open connections

how do i investigate this problem. i want to find how many open connections are opened by each user.

can any one provide suggestion to pin point the problem


Solution: ORA-29278: SMTP transient error: 421-4.3.2 Connection rate limit exceeded

I don’t think there is anything wrong with your oracle server but would you mind putting your code here in addition check if you have any application on the PC that might be blocking port 25 that is usually used by utl_smtp package.