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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Sinch Mailgun

    Score8.6 out of 10
    N/AMailgun is a transactional email API service which was owned and supported by Rackspace (acquired in 2012) and then spun off in 2017 as an independent and standalone entity. It is now supported by Sinch since that company's acquisition of Mailgun and Mailjet, through acquiring Pathwire.

    $35

    per month

    ZeroBounce

    Score10 out of 10
    N/AZeroBounce is an email list validator that removes all invalid email addresses to prevent bounces and preserve the sender's reputation.

    $18

    one-time fee 2,000 emails

    Pricing
    Sinch MailgunZeroBounce
    Editions & Modules
    Foundation
    $35
    per month
    Growth
    $80
    per month
    Scale
    $90
    per month
    Flex
    Free
    Email Validation
    $18.00
    per month
    Offerings
    Pricing Offerings
    Sinch MailgunZeroBounce
    Free Trial
    YesYes
    Free/Freemium Version
    YesYes
    Premium Consulting/Integration Services
    NoYes
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional Details—ZeroBounce offers monthly plans for starting at 2,000 email addresses that start from $18 per month. They also offer pay-as-you-go volume pricing that decreases as you scale, with credits that never expire. Enterprise customers who need to validate more than 1,000,000 email addresses per month should contact the ZeroBounce sales team for a customized quote.
    More Pricing Information
    Community Pulse
    Sinch MailgunZeroBounce
    Considered Both Products
    Sinch (formerly CLX Communications)
    No answer on this topic
    ZeroBounce
    No answer on this topic
    Key User Insights
    Would buy again
    75%
    Would buy again
    9 Answers
    No answers on this topic
    Delivers good value for the price
    75%
    Delivers good value for the price
    9 Answers
    No answers on this topic
    Happy with the feature set
    83%
    Happy with the feature set
    10 Answers
    No answers on this topic
    Lived up to sales and marketing promises
    80%
    Lived up to sales and marketing promises
    8 Answers
    No answers on this topic
    Implementation went as expected
    82%
    Implementation went as expected
    9 Answers
    No answers on this topic
    Best Alternatives
    Sinch MailgunZeroBounce
    Small Businesses
    Postmark
    Score5.1 out of 10
    No answers on this topic
    Medium-sized Companies
    Postmark
    Score5.1 out of 10
    No answers on this topic
    Enterprises
    No answers on this topic
    No answers on this topic
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Sinch MailgunZeroBounce
    Likelihood to Recommend
    8.5
    (28 ratings)
    9.6
    (4 ratings)
    Usability
    10.0
    (2 ratings)
    -
    (0 ratings)
    Availability
    10.0
    (1 ratings)
    -
    (0 ratings)
    Performance
    9.0
    (1 ratings)
    -
    (0 ratings)
    Support Rating
    7.4
    (7 ratings)
    8.7
    (2 ratings)
    Product Scalability
    10.0
    (1 ratings)
    -
    (0 ratings)
    User Testimonials
    Sinch MailgunZeroBounce
    Likelihood to Recommend
    Sinch (formerly CLX Communications)
    Mailgun's pay-as-you-go pricing structure is fantastic, especially if you don't need to send that much email. The pricing, including the free tier, is much more generous than what you can get with some pricier providers, like SendGrid. I mainly just use Mailgun as an SMTP server for web services, and the service has been set-up-and-forget, which is great because I never even have to log onto the Mailgun website and do any work. Mailing list support also looks great for rolling-your-own and not relying on more expensive mailing list services.
    Incentivized
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    ZeroBounce
    ZeroBounce is well suited for any project that requires list hygiene. If you're not actively emailing people and checking the response, it can be hard to know where or not their email address is still active or not. ZeroBounce provides a quick and easy way to check those emails for you without actually sending them an email. If there's a current customer list that you want to clean up, you can run it through ZeroBounce and remove anyone that is determined invalid for a better delivery rate.
    Incentivized
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    Pros
    Sinch (formerly CLX Communications)
    • Its SMTP is very easy to use and it integrates easy with all CMS and frameworks.
    • It allows you to have a record of the incoming/outgoing emails and get useful statistics about them.
    • Thanks to their 5000 free emails per month, it is a very good option to startups and small companies.
    Incentivized
    Read full review
    ZeroBounce
    • ZeroBounce provides us with not only valid emails but also separates the catch all addresses
    • Their security is probably the best in the world
    • Their support is exceptionally responsive
    • They are more economical than our previous provider
    Incentivized
    Read full review
    Cons
    Sinch (formerly CLX Communications)
    • No built-in templating features (This was a bit sad after coming from Mandrill which excelled at this)
    • Dashboard UI (although easy to use) is a bit dated in appearance
    • Logs are cumbersome compared to Mandrill
    • Setting up TLD (top level domain) names (things like .online or .church) that are not common require an email to tech support (this is annoying)
    • Sometimes can be slow in delivery
    • Shared IP addresses can be SPAM filtered or delayed (requires an email to support to have a new one assigned - Note: this can be mitigated by buying a dedicated one for a monthly fee)
    Incentivized
    Read full review
    ZeroBounce
    • The Catch-All function for Latin America companies
    • The new Catch-All tool timing
    • The Output file (I prefer a single .xlsx than a .zip)
    Incentivized
    Read full review
    Usability
    Sinch (formerly CLX Communications)
    The time for the initial setup is very quick, since you can start sending (thus developing) from their sandbox in no time. The actual configuration involves, as usual, some DNS changes that may require time but are well explained and documented. Once everything is set up, there are a lot of monitoring tools that you can use to optimize your lists.
    Incentivized
    Read full review
    ZeroBounce
    I gave it this rating because I think that there's always room for improvement all the time But I think overall ZeroBounce is amazing. So I give it a 9 out of 10 I think I think that would make it a 10 out of 10 Is maybe if the cost is a little bit better or maybe if I understood a little bit more of the value But I think other than that I think it's good. Yeah happy.
    Incentivized
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    Reliability and Availability
    Sinch (formerly CLX Communications)
    There have been a few minor outages through the years, but nothing more than a few minutes. These small outages are to be expected in any kind of a SaaS product, but Mailgun handles them very well. We designed our software to just retry sending after a while if there is an outage. As far as I know, we have never had to do more than a few retry cycles. This is all automated on our end, so we rarely even notice. Our customers have never noticed any mail sending outages.
    Incentivized
    Read full review
    ZeroBounce
    No answers on this topic
    Performance
    Sinch (formerly CLX Communications)
    The API and the deliverability of emails is excellent. Their API is very responsive and performs perfectly fine. I have no complaints there. Their management interface though (accessed through the web) is pretty slow though. Searching through lists of emails when I'm tracking down a problem for a customer can take 10+ seconds which is annoyingly high for a modern web app.
    Incentivized
    Read full review
    ZeroBounce
    No answers on this topic
    Support Rating
    Sinch (formerly CLX Communications)
    You can't seem to get ANY support until you shell out hundreds of dollars per month. I even did this when we could not deliver mail with Mailgun, and the response was slow and inadequate. Nor would they refund my money. I'll never be a customer of Mailgun again.
    Incentivized
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    ZeroBounce
    We have used ZeroBounce for about 18 months and it works flawlessly. We are able to get all of our questions/issues answered immediately. Felt very comfortable with the product immediately - used their web site which walked us through it and were able to get up and running within minutes. I really haven't had any issues that required support.
    Incentivized
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    Alternatives Considered
    Sinch (formerly CLX Communications)
    To be honest, the tools are quite similar and again I dont recommend using them as a standalone products, but they power the work we do via CRMs and our marketing campaigns. Mailgun integrates slightly better which it is why it is the preferred choice for our agency, as it integrations options seem to be better
    Incentivized
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    ZeroBounce
    ZeroBounce has better brand value and brand recognition compared to competitors in market. NeverBounce may still do a little better compared to ZeroBounce just because its a ZoomInfo company and has ZoomInfo data to back it up. Pricing need to be improved. Still we chose ZerBounce because it was best in business for email validation.
    Incentivized
    Read full review
    Scalability
    Sinch (formerly CLX Communications)
    Over the past six years, Mailgun has scaled with our growth very easily. We haven't had to make any code changes to handle our larger volume today, and their pricing has scaled naturally with our growth. As far as I know, there is nothing we will need to do in order to grow 10-fold. Mailgun just handles the load really well.
    Incentivized
    Read full review
    ZeroBounce
    No answers on this topic
    Return on Investment
    Sinch (formerly CLX Communications)
    • By not investing in our mail server, we have saved huge amount of money and time. For configuration and installation of an email server on Linux-based server, we would have to hire a network administrator.
    • If email delivery is an issue in a hosting provider, another solution is to switch the hosting. Fortunately with Mailgun, we didn't need to try different hosts and experiment which one works best for emails. We can stick to our existing web hosting provider and would not need to change it just for the sake of improving email deliverability.
    • The pricing of Mailgun is very cheap and straightforward. First 10K emails are free every month and that's a big advantage for our organization because our volume of emails is rarely more than 10K per month.
    Incentivized
    Read full review
    ZeroBounce
    • Not connected to any other email tool which makes you have to buy another tool.
    • You can send duplicates through which is not effective.
    • Also saves a bunch for cleaning databases for bad emails.
    Incentivized
    Read full review
    ScreenShots

    ZeroBounce Screenshots

    Screenshot of email list bulk validation, with tools to increase the chances of landing in the inbox. Emails can be tested to see if they'll go to the inbox, and Activity Data displays extra insights about subscribers.Screenshot of ZeroBounce's Executive Overview report that shows: 
-Top Domains : This shows the top 10 domains found in an email list and breaks it down by percentages, giving a better picture of the different domains in the database for planning.
-Validation Results: provides the overall statistics of the different email validation results of the entire file, showing how many emails in thelist were valid, invalid, spam traps, catch-all, unknown or abuse (complainers).
-Data Appends: This shows how successful ZeroBounce was in appending additional data to the email list. For some contacts, the email checker will add the subscriber’s first and last name, gender, location and age of the email address.
-IP Location Data Appends: If uploading the IP addresses along with emails, the report will show the demographics by top countries and top regions/states.Screenshot of Email deliverability testing: The mail server tester can be used to check configurations. The inbox placement tester shows where emails will land. The inbox tester shows if the email could land in spam to fix it ahead of time.Screenshot of IP and domain blacklisting: ZeroBounce can be used to monitor an IP and domain to make sure they never end up on an email blacklist, running hundreds of daily tests to keep users updated, and making it easier to get delisted.Screenshot of where to see if an IP and domain are blocked: ZeroBounce can be used to monitor an IP and domain to make sure they never end up on an email blacklist, running hundreds of daily tests to keep users updated, and making it easier to get delisted.