The software can send emails via the webmail by emulating real human behaviour and can easily solve many types of captchas such as Google recaptcha 2 and 3 and well as fun captchas with the help of remote captcha solving services Many email providers such as Outlook, AOL, Yahoo, Gmail,, , O2.pl, Rambler are already making it very difficult to send mass emails via SMTP. It is worth noting that one of the most important features is the software's ability to send via webmail. The software supports multiple SMTP accounts, direct sending options in case your smtp servers fail, proxies and VPNs, spam filters and blacklists, email list cleaners, spintax format, macros, auto resume feature, email sending settings, automatic unsubscriber supression list, sending via SMTP and webmail. The software has many sophisticated features. The main objective of the software is to allow you to achieve a high inbox rate and avoid suspensions and bans. Email marketing continues to be vital for many businesses to win new business during these unprecedented times brought about by the Covid-19 pandemic.ĬBT Mass Email Sender is a Bulk Email Sender Software that has been developed for sending out mass emails to large marketing lists. But they are not good for mass email sending to large marketing lists as your account will simply be suspended. Such SMTP Mass Email Services are great for sending out a limited number of emails to your subscriber lists. You will have no doubt used SMTP Bulk Email Service in the past such as SendinBlue, Mailgun, SendGrid, Amazon SES, SendPulse and others.