How to send an email to multiple recipients ?
You need to add ; (semicolon) between e-mail addresses using string concatenation:
DECLARE @copy_to varchar(max)= @Mail2+';'+@Mail3EXEC msdb.dbo.sp_send_dbmail @profile_name = 'mail', @recipients = @Mail1, @copy_recipients = @copy_to, @body =@body , @subject =@subject You can read MSDN article here
[ @recipients= ] 'recipients'
Is a semicolon-delimited list of e-mail addresses to send the message to. The recipients list is of type varchar(max). Although this parameter is optional, at least one of @recipients, @copy_recipients, or @blind_copy_recipients must be specified, or sp_send_dbmail returns an error.
[ @copy_recipients= ] 'copy_recipients'
Is a semicolon-delimited list of e-mail addresses to carbon copy the message to. The copy recipients list is of type varchar(max). Although this parameter is optional, at least one of @recipients, @copy_recipients, or @blind_copy_recipients must be specified, or sp_send_dbmail returns an error.