For Online Computer Support, Ask a Computer Technician
This means that you will need reduce the number of recipients. Please break them into groups of smaller size such as 20 and then try sending it.
Since this is a personal, non-commercial e-mail address there is no other solution as far as i know. If you upgrade to a professional account, only then you will be able to have increased limits.
Hello there you will have to use a bulk emailer programme to send out emails to multiple recipients. Here is a free one that I use and it works very well>Here is another bulk email sender