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CBT Mass Email Sender Desktop Software


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You will have no doubt used SMTP Bulk Email Service in the past such as SendinBlue, Mailgun, SendGrid, Amazon SES, SendPulse and others. Such SMTP Mass Email Services are great for sending out a limited number of emails to your subscriber lists. But they are not good for mass email sending to large marketing lists as your account will simply be suspended. Email marketing continues to be vital for many businesses to win new business during these unprecedented times brought about by the Covid-19 pandemic.

CBT Mass Email Sender is a Bulk Email Sender Software that has been developed for sending out mass emails to large marketing lists. The main objective of the software is to allow you to achieve a high inbox rate and avoid suspensions and bans. The software has many sophisticated features. 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. It is worth noting that one of the most important features is the software's ability to send via webmail. Many email providers such as Outlook, AOL, Yahoo, Gmail,,,, Rambler are already making it very difficult to send mass emails via SMTP. 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

Send our bulk emails from your PC using the best bulk email sender desktop software: CBT Mass Email Sender. CBT Bulk Email Sender Software will allow you to effortlessly send out thousands of emails and achieve a high inbox rate. Download CBD Mass Email Sender Desktop Software. We have specifically kept the CBT Mass Email Sender practical and very easy to use. We have stripped out all the redundant features to make the software practical, lightweight and easy to use. The objective of the CBT Bulk Email Sender is to send out mass emails fast and achieve a high inbox rate and a good ROI for you.

CBT Mass Email Sender for Bulk Email CampaignsCBT Mass Email Sender GUI

How to Send Mass Emails with CBT Bulk Email Sender Desktop Software

CBT Mass Email Sender is a desktop software that runs on the Windows operating system. The purpose of this bulk email sender is to allow you to send out thousands of emails to your recipient list directly from your desktop computer or a Windows VPS.

In very simple terms, all you will need to do is

  • Paste or upload your email contact list (recipients);
  • Paste or upload your email accounts (for sending via SMTP);
  • Enter your message
  • Configure other settings
  • Hit the SEND button to start sending your emails to your contacts list

Key Features of CBT Mass Email Sender Desktop Software

CBT Mass Email Sender Contacts Recipients SettingsImport your contacts/recipients via a notepad text or csv files

Email Recipients/Contacts Settings

You can import your recipient emails directly from a notepad text file or a csv file that you have scraped using CBT Email Extractor (the headers must be the same). If you choose the latter option, you will be able to use macros to add more personalised information into your email message.

CBT Mass Email Sender Desktop Software Accounts SMTP Webmail

Sending Settings - CBT Bulk Email Sender

CBT Mass Email Sender Sending Settings DNS SMTP WebmailSending Settings

Support Multiple SMTP Accounts

CBT Bulk Mailer supports multiple SMTP accounts. In practical terms, this means that you can add multiple email accounts and use them to send out bulk emails. The software supports popular emails such as gmail, yahoo, hotmail, proton mail,, Yandex,, Rambler, CPanel accounts, custom SMTP servers and many more email providers. Many email accounts have daily sending limits so by having multiple SMTP accounts, you can simply rotate between each account and collectively, you will be able to send out many email messages.

Supports Direct Sending

If you do not have SMTP accounts or simply do not want to use them, you can use the direct send option. With the direct send option, the CBT Email Sender will send your email directly using the local IP and DNS server.

Send Emails via Webmail

Many email providers are already making it very difficult to send out emails via SMTP in their efforts to fight spam. The software is able to send emails via webmail by emulating real human behaviour. The software is able to login and send emails just as you would by logging into your email account and sending out emails via webmail.. The software is also able to solve many types of captcha like google recaptcha 2 and 3 and funcaptcha with the help of external captcha solving services.

Speed Settings and Filters

CBT Bulk Email Software will allow you to configure the following settings:

  • Total number of retries for failed sending
  • Total number of emails to send per account/24 hours
  • Delay between the sending of each email
  • Total number of threads
  • Auto removal of bad recipient emails
  • Auto removal of bad email accounts (banned, cannot login, etc)
CBT Mass Email Sender Email FiltersRobust Email Filters

Robust Email Filters

CBT Bulk Email Sender as integrated filters that will allow you to avoid spam and achieve a high inbox rate. For example, you can add email accounts, domains, phrases and characters to your blacklist to skip all the problematic emails, unsubscribers and spam traps. Most email verifiers do not go far enough with cleaning your entire email list. Our blacklist filter will allow you to avoid all the bad emails that share common characteristics. You can also choose to skip emails that are longer than X number of characters as well as only send one email per domain (the latter option excludes free generic emails such as gmail, yahoo, outlook, etc and are aimed more at company emails).

Message Settings - Bulk Email Sender

CBT Bulk Email Software Message Settings Short Url, Spintax, plain text and html macrosMessage settings support short urls, spintax, macros, plain and html text for a totally unique message on every send

Email Messages support Short Urls, Formatting, Macros and Spintax Format

When sending out mass emails, it is important to ensure that your emails are unique so that they can pass as many spam filters. CBT Bulk Email Sender allows you to use spintax and format your message to help you to achieve a high inbox rate. Spintax format looks like this {Hello|Hi|Good Morning}. It is created using curly brackets and pipes. All it does is it generates unique content by choosing different words and phrases on each email send.

You can also import complete Excel CSV files that you have scraped using the CBT Web Scraper and Email Extractor and then add macros to your message.such as %companyname%, %website%, %email%, %Tel%, %Instagram%, %linkedIn%, %Twitter%. This feature will make your message look more personalised. For example, if I enter Hello %companyname%, then the text would look like this "Hello Nataly's Boutique". CBT Bulk Email Sender has a built-in auto short url generator which will generate a unique short url and anchor text for every single email. This will help you to avoid spam filters and increase your inboxing rate.

You can choose whether to send html or plain text content.

Proxy Settings - CBT Mass Email Sender

Proxy Settings - CBT Mass Email SenderComplete Anonymity with Proxies

Complete Anonymity with Proxies

CBT Mass Email Sender supports proxies. It is advisable to use SOCKS4 and SOCKS5 proxies for email sending. Proxies will hide the identity of your local IP address. Having a good number of proxies will help you to achieve a better inbox rate and reduce risk of blacklisting. Proxies are recommended if you plan to run the CBT Mass Email Sender on multiple threads.

Auto Resume Email Sending

In case of a crash or simply if you want to power off your computer for the night, you can always resume from where the CBT Bulk Email Sender left off the next time you start the software.

Unsubscriber Settings - CBT Bulk Email Sender

CBT Mass Email Sender Unsubscriber Auto RemovalRemove unsubscribers from your mailing list in real time

Auto Removes Unsubscribers from your Mailing List in Real Time

The mass email sender is able to automatically remove all unsubscribers from your mailing list to avoid spam and legal implications. The software generates a link for unsubscribing: a macro that needs to be added in the body of your message. The recipient of an email has to click on the link which sends an instruction to unsubscribe to our designated inbox which is monitored in real time. The software will then add the unsubscriber's email list to the blacklist which will remove them from all future correspondence. You will need to enter the login details for one designated email account that will be used solely for receiving unsubscribes from your mailing list. We recommend that you use a CPanel account as free accounts are more likely to get banned. You can automatically delete all the unsubscribe emails from your inbox.

CBT Mass Email Sender Project SettingsSave your projects

Save your Projects

The bulk email sender will enable you to save your projects and access them at any time. You can save your project and run it at any time. This will save you from having to reenter the same details again.


We are constantly making CBT Mass Email Sender better. Here is the official changelog for CBT Bulk Email Sender software.