You can use bulk email services to send newsletters, promotions, advertisements, marketing mail, and everything in between! Determine how you want your email marketing campaign to run, and how you want to distribute content.
It depends on your IP reputation and many other reasons involve. But we guarantee 100% authentication configure in our servers like SPF, DKIM, DMARC and rDNS. We will provide you the 10/10 score on mail-tester tools.