SQL Server sp_OACreate fails (out of memory condition)

After successfully sending cca 250 e-mails I have error: DECLARE @hr int DECLARE @sTmp0 nvarchar(4000) — The mailman object is used for sending and receiving email. DECLARE @mailman int EXEC @hr = sp_OACreate ‘Chilkat.MailMan2’, @mailman OUT select @hr — -2147024882 select @mailman — null The solution is to call sp_OADestroy …