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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Microsoft 365

    Score8.7 out of 10
    N/AMicrosoft 365 (formerly Office 365) is a Microsoft Cloud subscription service that includes Microsoft Office products (Word, Excel, PowerPoint, OneNote, Outlook, Publisher, and Access). The software can be installed across multiple devices and ensures that users always have the most up-to-date version of the included Office applications.

    $5

    Per User Per Month

    Mimecast Advanced Email Security

    Score8.6 out of 10
    N/AThe Mimecast Secure Email Gateway is a messaging security option with anti-spam / anti-malware, data loss prevention, large file send, and other features, from UK company Mimecast.N/A
    Pricing
    Microsoft 365Mimecast Advanced Email Security
    Editions & Modules
    Business Basic
    $5.00
    Per User Per Month
    Individual
    $5.84
    *Per Month
    Business - Apps
    $8.25
    Per User Per Month
    Enterprise - F3
    $10.00
    Per User Per Month
    Business Standard
    $12.50
    Per User Per Month
    Business Premium
    $20.00
    Per User Per Month
    Enterprise - E3
    $32.00
    Per User Per Month
    Enterprise - E5
    $57.00
    Per User Per Month
    No answers on this topic
    Offerings
    Pricing Offerings
    Microsoft 365Mimecast Advanced Email Security
    Free Trial
    NoYes
    Free/Freemium Version
    NoNo
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional Details*When billed annually.—
    More Pricing Information
    Community Pulse
    Microsoft 365Mimecast Advanced Email Security
    Considered Both Products
    Microsoft
    No answer on this topic
    Mimecast
    Chose Mimecast Advanced Email Security
    Proofpoint ATP offered strong threat detection and forensics, but it was more complex to manage and significantly more expensive. Microsoft 365 Defender had solid native integration with M365, but its filtering and impersonation protection weren’t as strong out of the box, …
    Incentivized
    Chose Mimecast Advanced Email Security
    Less customizable than Mimecast Advanced Email Security. Less policy options
    Incentivized
    Chose Mimecast Advanced Email Security
    I have never really used Mimecast or Sophos, which was an on-prem mail filtering tool - Now use 365 Defender services alongside Mimecast.
    Incentivized
    Chose Mimecast Advanced Email Security
    Mimecast Advanced Email Security had a reputation in the industry we went with, and the price was very competitive at the time.
    Incentivized
    Chose Mimecast Advanced Email Security
    The reason we went with Mimecast over other products was for the partnership. We heard from our businesses who utilize Mimecast of their great partnerships and relationships they build with their customers. We meet with our representative quarterly to discuss any trends in the …
    Incentivized
    Chose Mimecast Advanced Email Security
    At the time, Mimecast was the leading industry standard, and we needed a better solution, so it was only natural. After checking out our options, I chose the tool that worked for me the best. Mimecast gave me a platform that did everything i was already working on via one …
    Incentivized
    Chose Mimecast Advanced Email Security
    We were longtime customers of Proofpoint before moving to Mimecast Advanced Email Security. In my opinion, the support and product usability is heads and shoulders above what Proofpoint offered us, at a similar pricepoint no less.
    Incentivized
    Chose Mimecast Advanced Email Security
    We most seriously looked at Proofpoint, and just felt like Mimecast Advanced Email Security has a slightly better bang for the buck.
    Incentivized
    Chose Mimecast Advanced Email Security
    Mimecast Advanced Email Security at the time, seems to be the most stable, reliable, cloud-based MTA spam filter that integrated with SSO and ticks all of our security and compliance boxes.
    Incentivized
    Chose Mimecast Advanced Email Security
    We selected Mimecast based on its features, cost and ease of use. We were also recommended to use Mimecast by other professionals in our industry, and based on the reviews we found doing our product research. Mimecast has performed well and has exceeded our expectations. We are …
    Incentivized
    Chose Mimecast Advanced Email Security
    Mimecast Advanced Email Security is very competitive with Microsoft's email solution. In my opinion, Mimecast is superior as far as ease of use and the layout of the user interface. For Microsoft's product you tend to have to go down the rabbit hole to find something. With …
    Incentivized
    Chose Mimecast Advanced Email Security
    It is a very powerful and focused offering.
    Incentivized
    Chose Mimecast Advanced Email Security
    Mimecast Advanced Email Security is better than our previously used product in term of features and usability. Mimecast Advanced Email Security has a lot of good points. The email gateway policies provided by Mimecast Advanced Email Security is larger than others and has a lot …
    Incentivized
    Chose Mimecast Advanced Email Security
    For features price , speed , accuracy
    Incentivized
    Chose Mimecast Advanced Email Security
    Mimecast is the most mature email security platform I've ever used in my nine years in industry and across MSPs, other work 'well enough' but the configurability of Mimecast is where it shines - it can be *exactly* how I want it to be. Given we work in a highly regulated …
    Incentivized
    Chose Mimecast Advanced Email Security
    Interface is easier to use
    More reliable, and quicker email deliverability
    Incentivized
    Chose Mimecast Advanced Email Security
    MTA based product that works regardless of which front end mail app you use with and O365 backend.
    Incentivized
    Chose Mimecast Advanced Email Security
    Mimecast Secure Email Gateway has a bit more features to use with its out of the box service.
    Incentivized
    Chose Mimecast Advanced Email Security
    We were previously using Tumbleweed to manage SPAM and it was not as effective as Mimecast - we had it deployed in addition to Mimecast and mimecast caught much more SPAM that Tumbleweed had marked as safe
    Incentivized
    Chose Mimecast Advanced Email Security
    Barracuda - We've previously used barracuda and this has been much more powerful of a product with much more granularity. We also considered IronPort and Trustpoint
    Incentivized
    Chose Mimecast Advanced Email Security
    Mimecast is as effective as Proofpoint, but cheaper. The built-in Office 365 email security features are good but offer less control.
    Incentivized
    Key User Insights
    Would buy again
    96%
    Would buy again
    178 Answers
    93%
    Would buy again
    69 Answers
    Delivers good value for the price
    98%
    Delivers good value for the price
    163 Answers
    99%
    Delivers good value for the price
    68 Answers
    Happy with the feature set
    98%
    Happy with the feature set
    181 Answers
    97%
    Happy with the feature set
    72 Answers
    Lived up to sales and marketing promises
    94%
    Lived up to sales and marketing promises
    121 Answers
    94%
    Lived up to sales and marketing promises
    62 Answers
    Implementation went as expected
    94%
    Implementation went as expected
    128 Answers
    94%
    Implementation went as expected
    63 Answers
    Features
    Microsoft 365Mimecast Advanced Email Security
    Secure Email Gateway
    Comparison of Secure Email Gateway features of Microsoft 365 and Mimecast Advanced Email Security
    Feature
    Microsoft 365
    -
    Ratings
    Mimecast Advanced Email Security
    8.0
    67 Ratings
    4% below category average
    Anti-malware00 Ratings8.565 Ratings
    Customizability00 Ratings8.566 Ratings
    Data Loss Protection00 Ratings6.655 Ratings
    Threat Detection00 Ratings8.463 Ratings
    Sandboxing00 Ratings8.058 Ratings
    End-to-End Encryption00 Ratings8.555 Ratings
    Management Tools00 Ratings7.764 Ratings
    Best Alternatives
    Microsoft 365Mimecast Advanced Email Security
    Small Businesses
    Google Workspace
    Score9.1 out of 10
    Barracuda Email Protection
    Score10 out of 10
    Medium-sized Companies
    Google Workspace
    Score9.1 out of 10
    Avanan
    Score9.4 out of 10
    Enterprises
    Microsoft 365 Business Premium
    Score8.8 out of 10
    Avanan
    Score9.4 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Microsoft 365Mimecast Advanced Email Security
    Likelihood to Recommend
    7.8
    (240 ratings)
    8.5
    (79 ratings)
    Likelihood to Renew
    9.5
    (6 ratings)
    8.6
    (2 ratings)
    Usability
    7.2
    (8 ratings)
    8.2
    (54 ratings)
    Availability
    -
    (0 ratings)
    8.0
    (1 ratings)
    Performance
    -
    (0 ratings)
    8.0
    (1 ratings)
    Support Rating
    8.9
    (54 ratings)
    6.0
    (7 ratings)
    Implementation Rating
    9.0
    (2 ratings)
    10.0
    (1 ratings)
    Configurability
    -
    (0 ratings)
    9.0
    (1 ratings)
    Contract Terms and Pricing Model
    -
    (0 ratings)
    10.0
    (1 ratings)
    Ease of integration
    -
    (0 ratings)
    8.9
    (28 ratings)
    Product Scalability
    -
    (0 ratings)
    9.0
    (1 ratings)
    Professional Services
    -
    (0 ratings)
    10.0
    (1 ratings)
    Vendor post-sale
    -
    (0 ratings)
    8.0
    (1 ratings)
    Vendor pre-sale
    -
    (0 ratings)
    8.0
    (1 ratings)
    User Testimonials
    Microsoft 365Mimecast Advanced Email Security
    Likelihood to Recommend
    Microsoft
    Office everyday things since time immemorial. It's hard for Google Suite or any other to compete with Microsoft. They have everything, and it all works great, with incredible tools and capabilities. The new integrations work seamlessly most of the time, such as embedding a Power BI in a PPT. Expecting too much AI, like note taking, or LLM-based PPT, is not available in my tier at least, so depending on the budget, you won't get all you may expect from an AI leader. For diagramming and process maps, you're better off with other tools like those above.
    Incentivized
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    Mimecast
    Mimecast's advanced email security remains the number one security tool available for any organization. You will be ahead of the game before anything gets in and users start clicking. Users are often the ones who can disclose sensitive data and compromise the organization and its brand.
    Incentivized
    Read full review
    Pros
    Microsoft
    • It allows us to keep our email organized. I like the fact that I can create folders in Outlook, and they replicate on my mail server.
    • Excellent for drafting and saving those documents as PDFs without needing PDF editing software.
    • Spreadsheets - what more is there to say?
    Read full review
    Mimecast
    • Simplicity: Once set up, Mimecast Advanced Email Security is easy to use, intuitive, and simple. This reduces onboarding time with new employees.
    • Robust Audit Trail: Being able to see what happened with specific emails, why things happened, and who was responsible for them helps to reduce troubleshooting time as well as improving overall email observability.
    • Clean Interface: Mimecast Advanced Email Security is a Swiss-Army-Knife of email security. There are many different configurations and complex rules that can be implemented. To make this manageable Mimecast Advanced Email Security has implemented a simple and clean UI. Being able to favorite commonly used features makes a huge difference in usability.
    • Simple SSO Integration: This seems like a no-brainer, but its odd to see how many SaaS products either don't support SSO, or make it so complicated and convoluted that setup and maintenance becomes a fully time job.
    Incentivized
    Read full review
    Cons
    Microsoft
    • Microsoft 365 really needs to work on protection part. In complex environment it is not reliable as compared to its competitors like Proofpoint. There are many instances where it fails to perform effectively.
    • In SharePoint Online the versioning feature of the document needs to be improved by Microsoft. Sometimes when we have to roll back to the previous version it does not work as expected.
    • In Teams messaging and app permission policies can be improved. There are some settings where we have to add a lot of things manually.
    Read full review
    Mimecast
    • I would like to see some additional improvement around the attachment protection, specifically what may be getting caught and what types of files are attempting to be delivered via email by impersonators.
    • The Targeted Threat Protection is a great product, and I wish there was a dashboard for this service where we could easily see the types of emails and/or links that have been caught as part of the protection module that could be shared with executives.
    • Finally, I feel that the phishing protection is great and honestly don't believe there should be much improvement needed there.
    Incentivized
    Read full review
    Likelihood to Renew
    Microsoft
    There are many features of Office that we cannot replicate in any other tool. Plus people know it already. It's not going away anytime soon.
    Incentivized
    Read full review
    Mimecast
    There is no question as to the value of the product to the business and the disruption of changing vendors would not be worth any savings possibly achieved by switching.
    Incentivized
    Read full review
    Usability
    Microsoft
    It being the default office suite means it's user experience and idioms are things that everyone is generally very used to and fluent with.
    The sharing is relatively simple, being directly hooked into Entra AD, and expiry being a first class concern.
    It's usability decreases at scale, with multiple people simultaneously making edits can make documents unusable.
    Read full review
    Mimecast
    The console is nice, but it could use some improvements for day to day activities for Admins. I find I am jumping around all over to get what I need (always searching for the right area). Being able to customize a Dashboard or having a central typical activities dashboard will be helpful to save more time.
    Incentivized
    Read full review
    Reliability and Availability
    Microsoft
    No answers on this topic
    Mimecast
    Overall, it's very good, but I do remember a few times in the past year we have seen some availability issues.
    Incentivized
    Read full review
    Performance
    Microsoft
    No answers on this topic
    Mimecast
    Pages need to consistently load quickly. Sometimes good, sometimes not.
    Incentivized
    Read full review
    Support Rating
    Microsoft
    Over the past 8 years of using Microsoft 365, I have noticed that they change vendors often. This always leads to a poor experience in the beginning, then levels out after some time for the company to get things worked out. As a customer, it is really frustrating because I don't have time when something isn't working to have them "look into my issue" and get back with me. They have even closed a ticket I specifically told them to keep open. Your applications are only as good as the support.
    Incentivized
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    Mimecast
    When calling them you get best in the world customer services but as previously mentioned their online community and capabilities are a bit lacking. They want you to log into their portal to see updates on issues (vs. using a public facing service) and I rarely find the answers to my issues in electronic format. Their online presence is only helpful with the simplest of issues.
    Incentivized
    Read full review
    In-Person Training
    Microsoft
    No answers on this topic
    Mimecast
    We did not have in-person training. All was done through meetings and on phone.
    Incentivized
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    Online Training
    Microsoft
    No answers on this topic
    Mimecast
    Training was good from Mimecast as well as the Mimecast knowledgebase.
    Incentivized
    Read full review
    Implementation Rating
    Microsoft
    Everything works and I use it all the time.
    Incentivized
    Read full review
    Mimecast
    Easy to set up and configure, but did have Mimecast assistance.
    Incentivized
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    Alternatives Considered
    Microsoft
    Its very user-friendly, collaborative and efficient that boosts productivity using cloud tools. their security is strong and it provides data protection. There are regular updates that shields us from attackers too. It offers a wealth of learning resources, including tutorials, help articles and video guide to help users make the most of the application and personally upgrade their skills.
    Read full review
    Mimecast
    In my opinion, Mimecast Advanced Email Security outpaces Microsoft in terms of usability and reduction of spam and phishing emails. Mimecast Advanced Email Security was cheaper than Proofpoint, but I suspect Proofpoint is doing better on staying current with trends than Mimecast Advanced Email Security. I think Abnormal offers the best incoming email security, but does not offer outgoing email data loss prevention or encryption, which is a key use cast for us.
    Incentivized
    Read full review
    Scalability
    Microsoft
    No answers on this topic
    Mimecast
    The solution continues to grow and add features.
    Incentivized
    Read full review
    Professional Services
    Microsoft
    No answers on this topic
    Mimecast
    Professional services for our setup was excellent, quick and knowledgeable.
    Incentivized
    Read full review
    Return on Investment
    Microsoft
    • It has helped keep the high-energy culture my company has since it allows easy communication and calls.
    • Positively impacts responses from clients, since we can see how many times they have been contacted. (the more someone is contacted, the less likely they are to respond. Microsoft helps make sure we all know who and who not to contact)
    • positively impacts my ability to focus, since you can mute notifications. Since I look at my computer all day, it is helpful to lock in and not get distracted by the many emails I receive a day. You can also change preferences, so emails with high urgency are still seen.
    Read full review
    Mimecast
    • Enhanced email security across the business.
    • This product has reduced the risk of being hit by malware/phishing; Mimecast has been holding emails efficiently after reviewing emails.
    • The reporting side is practical, helps create a business case for the product, and shows its worth.
    Incentivized
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    ScreenShots