Overview
ProductRatingMost Used ByProduct SummaryStarting Price
Microsoft Exchange
Score 8.7 out of 10
N/A
Microsoft Exchange is a secure email / messaging gateway with file archiving and encryption / data loss capability, available as a hosted service (Exchange Online) or installed (Exchange Server).N/A
Proofpoint Sendmail Sentrion
Score 0.0 out of 10
N/A
The former sendmail's Sentrion platform, now backed by Proofpoint, is specifically designed for large, complex environments, and a subset of it is available as an open-source offering.N/A
RMail
Score 10.0 out of 10
N/A
RMail is RPost’s software-as-a-service solution that enables business users to track and prove email delivery and encrypt sensitive emails. Available as a MS Outlook add-in and for other popular software platforms, RMail works with any email address without any customization required. RMail provides users with a Registered Receipt email record proving delivery status, time of delivery, and exact content.
$7
per user, per month
Pricing
Microsoft ExchangeProofpoint Sendmail SentrionRMail
Editions & Modules
No answers on this topic
No answers on this topic
RMail Personal
$7.00
per user, per month
RMail Standard
$15.00
per user, per month
Shared Volume
Varies by Plan
for 5 or more users
Offerings
Pricing Offerings
Microsoft ExchangeProofpoint Sendmail SentrionRMail
Free Trial
NoNoYes
Free/Freemium Version
NoNoNo
Premium Consulting/Integration Services
NoNoNo
Entry-level Setup FeeNo setup feeNo setup feeNo setup fee
Additional Details
More Pricing Information
Community Pulse
Microsoft ExchangeProofpoint Sendmail SentrionRMail
Considered Multiple Products
Microsoft Exchange
Chose Microsoft Exchange
Microsoft Exchange is the DeFacto groupware product. It handles mail and calendar so well that it is mostly unrivaled. While I used Zimbra at a previous employer, we ended up moving to Microsoft Exchange because of better Outlook use and the overall Microsoft Exchange product …
Chose Microsoft Exchange
Google Workspace has much more limited functionality compared to Exchange. I believe it is a bit cheaper on the most basic subscription tier but that's about the only reason to consider using it. It may also be worth considering if you have other workloads using Google Cloud …
Chose Microsoft Exchange
We have not tried other Email server products yet, but we are about to make this step in the near future. We are definitely going to try several Linux-based Email Server solutions so that we can choose the one that better suits our needs. Have some time to do this, as our …
Chose Microsoft Exchange
We had a Zimbra on-premise server earlier and were pretty satisfied with it. But when compared with the advanced features of the Microsoft Exchange server, we could easily justify our purchase team to go for this since we already have O365 apps.
Chose Microsoft Exchange
Microsoft Exchange Product The best cloud-based enterprise-grade archiving platform with a host of features that enable files to be securely archived and retrieved with advanced search options. This tool is very easy to use and has a User-friendly interface. It is a highly …
Chose Microsoft Exchange
Both items are used by me on a daily basis. Microsoft Exchange and Microsoft SharePoint don't seem to have a lot in common to me. When working with the Exchange platform, it's all about scheduling events in the calendar and sending emails. I was able to find the most crucial …
Chose Microsoft Exchange
Most of the 365 subscriptions include desktop and cloud versions of Microsoft programs. These "traditional" software may be installed on a desktop computer and used offline without any problems, as long as you have a working Internet connection. Because so many firms still …
Chose Microsoft Exchange
1) The cost per user is almost the same (around $3 USD more than Google Workspace) but the Office tools that Microsoft includes are the best in the market. The end-users are really adapted to them and the other tools like Google Sheets and Google Documents are really bad. 2) …
Chose Microsoft Exchange
Given all businesses I have worked for used Windows OS and Microsoft applications, it makes sense to stick with Microsoft Exchange. It's a given that if you use Microsoft applications you should use Microsoft Exchange.
Chose Microsoft Exchange
Microsoft Exchange is used by several companies worldwide due to its versatility and competitive rates which includes Office 365 (depending on the license purchased), it stacks up against other vendors e.g., Google. MS Exchange provides shared mailboxes which are not available …
Chose Microsoft Exchange
In comparison to Amazon SES, Microsoft Exchange was significantly more flexible and customizable. Amazon SES seems more complicated from an administrative standpoint. It became more difficult for us to consider migrating to a new platform since our workers were more comfortable …
Chose Microsoft Exchange
It has better ease of integration with the servers and company data. It has a relatively better cost compared to all the tools available. The privacy features and capabilities are something best in class.
Chose Microsoft Exchange
Office 365 is not recommended for shared use so we are using Microsoft Exchange. This helps to have access to multiple users and easy access to emails and calendars to provide support round the clock.
Chose Microsoft Exchange
MDaemon is too simplistic for complex uses, while Exchange covers any uses and scale for every customer size.
Chose Microsoft Exchange
Microsoft Exchange offered far more flexibility and customization than Google Workspace. From an administration perspective, it seemed easier to work with Exchange than with Gsuite/Google Workspace. Our employees were more familiar with Microsoft and their comfort level made …
Chose Microsoft Exchange
Easy to use, keeping calendar as an inbuilt feature and other AI tools which are missing on other companies features.
Chose Microsoft Exchange
I myself am a front-end user of both products. I don't really see too much of a comparison between Microsoft Exchange and Microsoft SharePoint. When using the Exchange platform it is more about calendar appointments and email communication. Using share Point I was able to …
Chose Microsoft Exchange
Microsoft is more sturdy and feature-packed than GSuite. Especially with the Office integrations, even though the UI doesn't stand up against them, it offers way better features and is just more convenient to use for what we require at our organization.
Chose Microsoft Exchange
Office 365 is pure ease. You get excellent compatibility with the entire Microsoft Office suite, as well as affordable access to Microsoft Office applications. All of this is supported by Microsoft's extremely dependable cloud. It's a great option for small businesses that …
Chose Microsoft Exchange
We use Zimbra for some specific tasks in our company. Microsoft has superiority over Zimbra in terms of the graphical user interface. I like the Microsoft exchange interface as it is more futuristic. Also, Microsoft exchange has a better user experience. Zimbra mail can be …
Chose Microsoft Exchange
It gives the impression of being a more professional and more robust tool. Despite the large amount of data, it always manages them at its best, without performance problems.
Chose Microsoft Exchange
Google workspace has excellent spam filtering, but poor customizability without resorting to third-party software or hacks/workarounds. Microsoft 365 has its own problems. We are currently using both Microsoft Exchange and Exchange Online (Microsoft 365) to handle mailbox …
Chose Microsoft Exchange
We found the Microsoft Exchange to be more robust and loaded with features which made our life easy and our ability to communicate and provide\get updates more efficient. Microsoft Exchange provided more advanced security features which were what our organization was looking …
Chose Microsoft Exchange
It provides me enhanced security over Gmail and is easy to navigate all around the console but its cost can be made less cheap as compared to Gmail.
Proofpoint Sendmail Sentrion

No answer on this topic

RMail
Chose RMail
None of them integrated well with Gmail, and they required a password sent in a separate email or logon to an outside "portal," or they were overpriced. It was unclear how well Google Workspace complied with the HIPAA Privacy Rule. I think it did just fine, but the perception …
Chose RMail
RMail is really useful when wanting to send important encrypted information, and have control of what happens on the other end. It also comes with a complete set of features that help in any other way you can imagine. I've been through other products, and nothing compares to it.
Chose RMail
RMail offers the possibility to encrypt, track, esign, large secure file share, protect from human error, and more. I don´t know any other product that offers this amazing combination of features, and I´m happy to work with them.
Chose RMail
We found in RMail a full-featured set of secure, agile, and compliant communications, at a very accessible price!
Chose RMail
RMail has an add-on module for e-signing documents, but Adobe Sign's is just easier to use. However, if I need to combine sending an e-mail that has to be tracked along with an e-signed document, then RMail clearly wins out over using Adobe Sign. The latter is designed to …
Chose RMail
We used SendInc before RMail, and it was horrible. Recipients always had lots of problems with SendInc.
Features
Microsoft ExchangeProofpoint Sendmail SentrionRMail
Secure Email Gateway
Comparison of Secure Email Gateway features of Product A and Product B
Microsoft Exchange
7.3
Ratings
15% below category average
Proofpoint Sendmail Sentrion
-
Ratings
RMail
-
Ratings
Anti-malware6.50 Ratings00 Ratings00 Ratings
Customizability8.00 Ratings00 Ratings00 Ratings
Data Loss Protection8.30 Ratings00 Ratings00 Ratings
Threat Detection6.50 Ratings00 Ratings00 Ratings
Sandboxing7.40 Ratings00 Ratings00 Ratings
End-to-End Encryption6.70 Ratings00 Ratings00 Ratings
Management Tools8.00 Ratings00 Ratings00 Ratings
Best Alternatives
Microsoft ExchangeProofpoint Sendmail SentrionRMail
Small Businesses
Zoho Mail
Zoho Mail
Score 9.2 out of 10
Zoho Mail
Zoho Mail
Score 9.2 out of 10
Paubox Email Suite
Paubox Email Suite
Score 9.0 out of 10
Medium-sized Companies
Avanan
Avanan
Score 9.9 out of 10
Avanan
Avanan
Score 9.9 out of 10
OpenText Core Email Encryption
OpenText Core Email Encryption
Score 9.6 out of 10
Enterprises
Avanan
Avanan
Score 9.9 out of 10
Avanan
Avanan
Score 9.9 out of 10
DataMotion
DataMotion
Score 9.4 out of 10
All AlternativesView all alternativesView all alternativesView all alternatives
User Ratings
Microsoft ExchangeProofpoint Sendmail SentrionRMail
Likelihood to Recommend
9.0
(0 ratings)
-
(0 ratings)
10.0
(0 ratings)
Likelihood to Renew
10.0
(0 ratings)
-
(0 ratings)
9.1
(0 ratings)
Usability
8.5
(0 ratings)
-
(0 ratings)
9.1
(0 ratings)
Availability
10.0
(0 ratings)
-
(0 ratings)
-
(0 ratings)
Performance
9.0
(0 ratings)
-
(0 ratings)
9.1
(0 ratings)
Support Rating
9.9
(0 ratings)
-
(0 ratings)
9.1
(0 ratings)
Implementation Rating
10.0
(0 ratings)
-
(0 ratings)
6.4
(0 ratings)
Configurability
7.0
(0 ratings)
-
(0 ratings)
-
(0 ratings)
Ease of integration
5.0
(0 ratings)
-
(0 ratings)
-
(0 ratings)
Product Scalability
10.0
(0 ratings)
-
(0 ratings)
-
(0 ratings)
Vendor post-sale
5.0
(0 ratings)
-
(0 ratings)
-
(0 ratings)
Vendor pre-sale
8.0
(0 ratings)
-
(0 ratings)
-
(0 ratings)
User Testimonials
Microsoft ExchangeProofpoint Sendmail SentrionRMail
Likelihood to Recommend
For our clients, the switch to an entirely independent (parallel processing) Microsoft Exchange Server was a lifesaver because previous software versions frequently crashed. The clever viva add-on informs me of any things that are still uncompleted in my large email to-do lists. Migrating to Office 365 has never been easier because to the meticulous preparation that has gone into it. Web applications will load more quickly.
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No answers on this topic
RMail is perfect if you are looking for HIPAA complaint way to send patient information securely. The tracking of each message is required by HIPAA, and it is also supplied by RMail. Also, you can submit an email for electronic signature, which saves a ton of time waiting for snail-mail. Our clients tend to love RMail, because they're usually changing from something else that ends up generating a lot of calls from people who can't open their emails - RMail solves this by utilizing the TLS technology
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Pros
  • An in-built calendar to manage your daily work schedule. Let's you create events, invite a particular group of people, accept invitations, and remind you of your upcoming meetings and tasks.
  • I also like the daily emails we get from Exchange that ask you to set aside time for yourself or your other hobbies to take a short break from monotonous work.
  • The email categorization feature is pretty good, especially the sort/search filtering option to navigate through your emails, which can also go through your deleted emails.
  • It has an excellent spam-filtering feature which greatly reduces the chance of malware and spam. I have hardly seen spam emails get through their filter. On the other hand, it also recognizes emails from external organizations that may be spam, but are important work emails.
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No answers on this topic
  • E-mail tracking.
  • Providing a detailed record of receipt.
  • Providing digital timestamps as to when messages are sent.
  • Recording responses/replies to certain e-mails.
Read full review
Cons
  • The two main factors for the better reliability & Uptime of internally hosted Exchange Server depends on Exchange Server configuration and the level of investment the organization is willing to provide for hosting the Exchange Server On-Premise Environment. As the data is stored in the organization’s hardware, any disaster may lead to the loss of email and servers.
  • Losing data might affect business continuity and rebuilding it can be costly.
  • Security remains a major concern.
  • Security of data loss is main concern. To ensure that, organization needs to configure networks, systems and Exchange platform against possible threats.
  • Hardware and license costs are high.
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No answers on this topic
  • Some Gmail add ons/extensions don't work with RMail.
  • I'm not sure it can be integrated with gmail without Chrome or Outlook.
  • More features would be cool.
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Likelihood to Renew
Email and calendars in a business setting are requirements. And Microsoft continues to be the standard of business applications. Microsoft 365 makes Microsoft Exchange easy to use. Everything is in the cloud. Let Microsoft take care of the hardware, the software, and the security. You just enable your business users with the functionality they need.
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No answers on this topic
I don't think RPost has any competition, at least none that I can use. I think that once registered email becomes widely accepted (someday soon?), it will be indispensable for anyone in business, and RPost is the leading vendor (maybe the only vendor).
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Usability
Microsoft Exchange has come a long way over the years and has nowhere near the technical overhead required for support as it did back in 2003/2007 and prior. The integrations with Teams, Defender, Sharepoint, Copilot and many other products make it a solid and well-rounded tool used for many day-to-day tasks.
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No answers on this topic
It is as simple as downloading a plug-in or installing a chrome extension, then you click a button to use it. The interface is straightforward.
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Reliability and Availability
Exchange is setup with multiple servers behind load balancers to provide high availability.
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No answers on this topic
No answers on this topic
Performance
I would say it's the best email product I've experienced.
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No answers on this topic
Works well routinely without problems.
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Support Rating
We have a good enterprise agreement with Microsoft which affords us quick phone support. I have found the support staff knowledgeable and prompt with a solution when required. At times it may be difficult to schedule a call back, this is mainly due to our need for calls early in the morning which happens to be during a shift change at Microsoft support.
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No answers on this topic
Support is easy to access via email or phone. They also reach out to you periodically with new features, but they aren't intrusive about it. I usually appreciate it when I get an email from RMail, which is not very often.
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Implementation Rating
Implementation/conversion can be quite complex and, unless you have certified Exchange administrators in-house, you should strongly consider a 3rd party consultant for this implementation.
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No answers on this topic
Works great.
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Alternatives Considered
Microsoft Exchange Product The best cloud-based enterprise-grade archiving platform with a host of features that enable files to be securely archived and retrieved with advanced search options. This tool is very easy to use and has a User-friendly interface. It is a highly reliable platform that allows all employees to automatically store their data without any limitations. It offers a cost-effective solution with customized policy management. We are happy that the customer support team is always fast and concerned, and the product's uninterrupted service experience. It is very good that it stores data in real-time without losing it, even in the event of a disaster. The cost-effective solution and integration with other tools are seamless.
Read full review
No answers on this topic
RMail has an add-on module for e-signing documents, but Adobe Sign's is just easier to use. However, if I need to combine sending an e-mail that has to be tracked along with an e-signed document, then RMail clearly wins out over using Adobe Sign. The latter is designed to track electronic signatures only, not to track when e-mails are received.
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Scalability
The only time Exchange has failed us is when we did something to cause the failure.
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No answers on this topic
No answers on this topic
Return on Investment
  • After testing I found Exchange very good at removing/quarantining malware.
  • The Global Address List is great for finding the correct person within the organization to deal with.
  • The Clutter feature is terrible. Sometimes putting important emails into that folder for no discernible reason.
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No answers on this topic
  • There's not much ROI, because we don't get it much cheaper than the list price.
  • However, being able to offer this service strengthens our service offerings.
Read full review
ScreenShots

RMail Screenshots

Screenshot of EMail encryptionScreenshot of Encrypted EmailScreenshot of Large File SharingScreenshot of Receipt AuthenticationScreenshot of Registered ReceiptScreenshot of SideNote