How is Intandemly different from MailChimp or other email marketing softwares?

Email marketing tools help marketers send a commercial message to a group of people via email. Intandemly assists sales teams automate personal email communication with leads and prospects at scale to accelerate sales. At Intandemly, emails are sent directly from the user’s business email account and look 100% manually written; they always end up in the Primary folder. Intandemly connects to your email provider via SMTP/IMAP. Using Intandemly, sales reps respond and interact with prospects more consistently, generate more qualified sales opportunities, and close more deals. Are there any email sending limits? The default sending limit for emails per campaign from one connected email account is 500 emails.