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Microsoft Invitations Software (MIS) – Questions & Answers
General Overview
MIS is an emailing and texting software developed under the Microsoft Partner program. It enables users to upload a CSV file of targeted leads along with a sales pitch, website link HTML content, video and MP3 files. MIS then sends emails or texts on your behalf at a low cost using Microsoft 365 (MS365) email infrastructure.
MIS reduces emailing costs by up to 90% compared to traditional email marketing services. It sends emails through MS365 mailboxes, ensuring high inbox placement and deliverability. The software also comes with access to a vast, opted-in email database, allowing highly targeted outreach.
MIS uses Microsoft’s non-blacklisted IP addresses, ensuring emails reach the recipient’s inbox instead of the spam folder. Additionally, the system includes email verification and list-cleaning features to improve deliverability rates.
Pricing & Costs
The software costs between $1,200 and $1,390, depending on the payment method. Leasing options are available for those who prefer to pay over time.
- Users need an MS365 account, which can be purchased from Microsoft. If encryption or team collaboration is needed, additional MS365 features may be required.
- The software can run in the cloud on Mac, Linux, or Windows, with cloud hosting costing approximately $15-$20 per monthavailable through DataBaseMart.com https://bit.ly/WorkInTheCloud
- MIS charges $2 to $5 per 500,000 emails/texts.
- List Leaker allows sending 300,000 emails per MS365 mailbox per month for just $5 per mailbox. Users can scale up by adding more mailboxes (e.g., 10 mailboxes for $50/month enables 3 million emails per month).
The cost of sending emails with Microsoft Invitations Software (MIS) and List Leakeris significantly lower than major mass emailing services like Mailchimp, Constant Contact, and SendGrid. Here’s a approximated comparison:
Service | Estimated Cost per 500,000 Emails |
MIS | $2 - $5 |
List Leaker | $2 per 150,000 emails (~$6.67 per 500,000 emails) |
Mailchimp | $5,000 - $10,000+ |
Constant Contact | $5,000+ |
SendGrid (Twilio) | $3,000 - $5,000 |
ActiveCampaign | $4,000+ |
90% lower costs compared to traditional email services.
No per-email pricing markup—you pay only for your MS365 mailboxes.
Scalability—adding more mailboxes (at $5 per 300,000 emails per mailbox) allows you to send millions of emails per month at a fraction of competitors' costs.
Direct-to-Inbox Delivery—emails go through Microsoft’s infrastructure, avoiding spam filters that typically affect mass email services.
Pricing & Costs
MIS automatically splits large email lists into smaller chunks and uploads them to Microsoft at scheduled intervals to optimize deliverability. It also supports high-volume email sending through multiple MS365 mailboxes.
- Microsoft Invitations Software (MIS) is the core platform for bulk emailing and text messaging. It integrates with Microsoft Entra and Viva Engage.
- List Leaker is an additional tool within MIS that allows sending high-volume emails using multiple MS365 mailboxes, ensuring cost-effective email marketing.
- MIS emails recipients and invites them to join your free Viva Engage social media community, where you act as the moderator. It also allows inviting recipients to your Microsoft Entra admin panel, expanding your professional network.
The cost of sending emails with Microsoft Invitations Software (MIS) and List Leakeris significantly lower than major mass emailing services like Mailchimp, Constant Contact, and SendGrid. Here’s a approximated comparison:
Service | Estimated Cost per 500,000 Emails |
MIS | $2 - $5 |
List Leaker | $2 per 150,000 emails (~$6.67 per 500,000 emails) |
Mailchimp | $5,000 - $10,000+ |
Constant Contact | $5,000+ |
SendGrid (Twilio) | $3,000 - $5,000 |
ActiveCampaign | $4,000+ |
90% lower costs compared to traditional email services.
No per-email pricing markup—you pay only for your MS365 mailboxes.
Scalability—adding more mailboxes (at $5 per 300,000 emails per mailbox) allows you to send millions of emails per month at a fraction of competitors' costs.
Direct-to-Inbox Delivery—emails go through Microsoft’s infrastructure, avoiding spam filters that typically affect mass email services.
Data & Compliance
MIS provides access to 50 million data credits for targeted email searches. The data is sourced from Database Emailer, which owns the USA’s largest opted-in email database, verified by AIT Research.
MIS uses opted-in consumer and business email data, ensuring that recipients have agreed to receive promotional emails. The software also includes list-cleaning features to prevent spam complaints and ensure compliance with CAN-SPAM and GDPR regulations.
MIS verifies email addresses before sending, removing invalid, duplicate, or spam-prone emails. This reduces bounce rates and improves deliverability, ensuring emails reach active inboxes.
Reselling & Business Opportunities
Purchasing or leasing MIS automatically qualifies you as a reseller, allowing you to sell the software under your own branding. You receive a white-labeled website, admin dashboard, and access to 50 million data credits.
Resellers get a dashboard where they can view customer registrations, allocate data credits, and track usage. The system allows resellers to move data credits from their master account to their customers' accounts.
MIS offers unlimited phone support, email support, and live Q&A webinars. The software is designed to be user-friendly, requiring only basic computer skills. Installation may be provided by the developer.
General Questions
Here are the answers to 30 potential buyer questions about List Leaker:
List Leaker is an email marketing tool that automates email sending through Microsoft Invitations Software on Outlook’s desktop application. It helps users personalize, schedule, and send bulk emails while managing deliverability.
List Leaker connects directly to the Outlook desktop client (legacy version), utilizing its native sending capabilities to avoid the restrictions of web-based email marketing services.
It is primarily designed for the legacy desktop version of Outlook. Compatibility with Outlook 365 depends on the specific configuration and whether the desktop app is used.
Currently, List Leaker is optimized for Windows and works best in a Windows VPS environment. Mac users may need to use a virtual Windows machine in the cloud available through DatabaseMart.com: https://bit.ly/WorkInTheCloud
Yes, Microsoft Business Standard is recommended because it includes the Outlook desktop application and supports custom domain emails, improving deliverability.
Basic knowledge of email marketing and Outlook setup is helpful, but the software is designed to be user-friendly. A step-by-step guide is provided for installation and configuration. Additionally, the developer is willing to do the installation for you.
Pricing & Subscription
Pricing varies based on the VPS provider, but a standard Windows VPS setup costs around $10-$30/month, depending on server specifications.
List Leaker is included in the purchase or lease of Microsoft Invitations Software.
Each mailbox used with List Leaker incurs a $4.75/month charge. Additional mailboxes mean extra costs.
The fee covers email automation, mailbox rotation, sending limits management, and basic support.
At this time, there is no free trial. Demonstration means the software with the user license is installed. Once the license has been issued, the user will have full use of the software.
Refunds are not guaranteed, but support is available to troubleshoot issues.
Email Sending & Deliverability
Microsoft imposes limits based on the email plan. With Business Standard, the daily limit is around 10,000 emails per domain. Sending should be throttledto avoid account suspension. Instructions to throttle the emails are simple and they are provided in the instructions.
It rotates between multiple mailboxes and schedules emails at different intervals to stay within safe limits.
No, List Leaker is optimized for Outlook and Microsoft 365 accounts to mail to MS365 users as well as other email inboxes.
It personalizes emails, rotates mailboxes, throttles sending rates, and monitors bounce rates to avoid being flagged as spam.
It reduces the risk of spam filtering by using Outlook’s natural sending process through Microsoft servers, but proper email warm-up and domain authentication (SPF, DKIM, DMARC) are still required.
It distributes emails across multiple Outlook mailboxes, reducing the load on any single account.
Unlike Mailchimp, List Leaker sends emails directly from your Outlook account, reducing the chance of being flagged as a bulk sender and avoiding additional per-email costs.
Personalization & Automation
It supports dynamic placeholders (e.g., recipient’s name, company, or custom fields) for tailored messages.
Yes, you can create multiple versions of an email and test different subject lines or content variations.
Yes, List Leaker allows HTML emails, but for better deliverability, plain text or lightly formatted messages are recommended. Video and sound files may also be included.
It can track and filter unsubscribes via custom opt-out links and automatically exclude them from future sends.
Yes, it supports sequential email follow-ups, which can be scheduled at specific intervals.
It distributes emails across multiple Outlook mailboxes, reducing the load on any single account.
It does not include a built-in calendar, but it integrates with Outlook’s scheduling features.
Data Management & Compliance
It includes bounce trackingand can automatically remove invalid addresses after multiple failed attempts.
A valid email address is required in the contact list. If missing, List Leaker cannot process the entry.
Compliance depends on proper usage by the user. List Leaker supports unsubscribe links and opt-out management to help meet regulations.
Basic email tracking (e.g., sent, delivered, bounced emails) is available, but advanced analytics require third-party tools.
The email-to-text function allows sending emails to SMS gateways (e.g., [number]@vtext.com for Verizon). Support depends on the recipient’s carrier.
Would you like any of these responses refined or expanded? submit a ticket.