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Postmark offers very detailed analytics for your emails. For starters, it stores 45 days worth of email logs where you can search to find out which emails were sent, received, who received them, who read them and who marked them as spam. There are also recipient profiles which keep track of everyone who gets your emails, complete with a list of messages that they have opened, deleted or marked as spam. See More
Postmark is designed to send transactional messages. It specifically warns users not to use it to send weekly newsletter -- this way the emails sent by Postmark are less likely to be marked as spam, increasing the likelihood of your messages reaching the users. See More
When they decided not to support a free tier anymore they've set up a withdrawal period of only 2 months for existing customer before it stopped working (even for people who bought credits to send more than that free tier). Meaning people using it had a month to switch to another solution or start paying $20/month or more. See More
The UI is very clean and good-looking overall. While the Analytics may seem basic and not very detailed, the dashboard interface is very clean which also helps with the set up. The left side of the page has the navigation to different parts of the dashboard. The main view displays all the most important data and analytics that you may need (emails sent, deliverability, reputation etc...). While the navigation itself is pretty straightforward and self-explanatory. See More
Mandrill has the following pricing tiers: $20/block 1-500k emails 1-20 blocks $18/block 500k-1m emails 21-40 blocks $16/block 1m-2m emails 41-80 blocks $14/block 2m-3m emails 81-120 blocks $12/block 3m-4m emails 121-160 blocks $10/block 4m+ emails 161+ blocks There is also an option of a dedicated IP to improve deliverability for $29.95 a month. See More
Mandrill has made templates a core part of the product as they simplify the payload when compared to sending the full HTML each time and allow non-developers to design the template. Mandrill uses the flexible content formatting of MailChimp templates. This paired with the API access to template management, gives the user a great deal of flexibility. See More
Mandrill provides and Event API also or "webhooks" through which it registers events when they occur. So when an activity occurs, the application server is called along with the activity that occurred. Events include opens, clicks, bounces, deliveries and spam complaints. See More
It's ridiculously cheap: $1 for 10k emails, and the first 62k emails for the month is free when sending from an EC2 instance. Lots of libraries available for interacting with the SES API, and there's also an SMTP interface. Getting out of sandbox mode (where you can only send 200 emails in a 24 hour window to verified email addresses that you own) can be quite annoying though — I had to wait nearly two weeks for Amazon to process my request. See More
Since SES has been stripped down to do only one thing and do it well (send emails), there will be a lot of things missing which you will have to add on your own if you wish to have them. Things like analytics, template hosting, design tools etc... are missing from SES. Although there are third-party tools that allow you to use Amazon SES's API to send emails with all the above features added. See More
If you are just getting started with email marketing and transactional emails or if you get stuck somewhere, SendGrid includes amazing videos and guides to help you work out any problem you may have. What's more, it also has phone, chat and email support available 24/7. See More
Does not support test keys that can be used to check integration with SendGrid and that cannot be used to send real e-mail out. It means that either you don't cannot verify that your integration with SendGrid works during development, or you have to use real credentials which should not be shared widely across your team. See More
Usually when choosing a service to send your application's emails you need two. One to send the newsletter or news and promotions from the marketing team and the other to send you application's automatic emails and messages. With SendGrid you don't have to choose two because it doubles both as a transactional and marketing platform at once. See More
Most cloud providers block ports 25, 465, and 587. Port 2525 is commonly open but SendGrid only allows unencrypted messages via that port. Note: There are also so some certificate issues (see https://support.sendgrid.com/hc/en-us/articles/200182008-Certificate-verification-failed-for-smtp-sendgrid-net) See More
There are some features which are missing by default from SendGrid (sign-up forms or follow-up messages just to name a few). In order to implement those in your emails, you need to know how to program because you have to code them yourself through SendGrid's API. See More
Bad support. They don't give attention to small business like me. See More
While other services make you pay for each email sent, Pepipost's philosophy is that email conversations should be free regardless, this way the pricing model is built around paying for emails that are not open. So it's up to you to make quality emails and make as much users as possible to open them in order to pay less. See More
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