Kit and Postmark Email Deliverability Comparison

In this comparison, the deliverability of Kit and Postmark is compared in detail. All available data, taking the filters into account, is used for the comparison.

Email deliverability

This comparison compares the numbers for sent emails, you can also see in which folder the emails at the email service provider ended up and how many emails were lost on the way. The numbers look better for Kit than for Postmark.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
61.995 62.077	51.860 50.973	7.987 8.694	2.148 2.410

Email deliverability rates

The following table shows the most important deliverability rates (in percent) for the compared providers. The higher the inbox rate and the lower the spam rate, the better. Kit beats Postmark in this comparison.

Inbox (%)	Spam (%)	Lost (%)
83.65 % 82.11 %	12.88 % 14.01 %	3.46 % 3.88 %

Email deliverability by category

This comparison compares the deliverability taking into account the category or the industry. The deliverability can vary greatly depending on the industry. In this comparison, Kit is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	4737 4830	4091 4056	514 592	132 182	86.36 % 83.98 %	10.85 % 12.26 %	2.79 % 3.77 %
Elektronics	4732 4784	4010 3986	563 631	159 167	84.74 % 83.32 %	11.90 % 13.19 %	3.36 % 3.49 %
Entertainment	4768 4674	3994 3825	621 665	153 184	83.77 % 81.84 %	13.02 % 14.23 %	3.21 % 3.94 %
Cosmetics & Beauty	4743 4777	3955 3902	612 679	176 196	83.39 % 81.68 %	12.90 % 14.21 %	3.71 % 4.10 %
Food & Drink	4671 4630	4002 3945	512 545	157 140	85.68 % 85.21 %	10.96 % 11.77 %	3.36 % 3.02 %
Home & Garden	4966 4818	4262 4086	546 570	158 162	85.82 % 84.81 %	10.99 % 11.83 %	3.18 % 3.36 %
Finance	4566 4847	3691 3831	690 783	185 233	80.84 % 79.04 %	15.11 % 16.15 %	4.05 % 4.81 %
Health	4844 4745	3976 3829	675 712	193 204	82.08 % 80.70 %	13.93 % 15.01 %	3.98 % 4.30 %
Pets	4682 4821	3986 4013	552 627	144 181	85.13 % 83.24 %	11.79 % 13.01 %	3.08 % 3.75 %
Sport & Fitness	5030 4709	4164 3824	701 710	165 175	82.78 % 81.21 %	13.94 % 15.08 %	3.28 % 3.72 %
Job & Career	4664 4745	3779 3782	694 759	191 204	81.02 % 79.70 %	14.88 % 16.00 %	4.10 % 4.30 %
Dating	4875 4746	3965 3771	736 765	174 210	81.33 % 79.46 %	15.10 % 16.12 %	3.57 % 4.42 %
Other	4717 4951	3985 4123	571 656	161 172	84.48 % 83.28 %	12.11 % 13.25 %	3.41 % 3.47 %

Email deliverability by email service provider

Finally, the following table compares the deliverability taking into account the email service provider. Similar to the industry, also the email service provider can affect the email deliverability in both directions – positive or negative. In this comparison, Kit is better than Postmark.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4712 4728	3684 3610	816 871	212 247	78.18 % 76.35 %	17.32 % 18.42 %	4.50 % 5.22 %
Outlook Mail	4782 4561	3927 3660	679 713	176 188	82.12 % 80.25 %	14.20 % 15.63 %	3.68 % 4.12 %
Yahoo Mail	4769 4764	3946 3877	635 699	188 188	82.74 % 81.38 %	13.32 % 14.67 %	3.94 % 3.95 %
AOL Mail	4790 4865	3982 3963	646 705	162 197	83.13 % 81.46 %	13.49 % 14.49 %	3.38 % 4.05 %
Mail.com	4895 4799	4120 3957	609 651	166 191	84.17 % 82.45 %	12.44 % 13.57 %	3.39 % 3.98 %
Yandex Mail	4946 4676	4068 3761	701 724	177 191	82.25 % 80.43 %	14.17 % 15.48 %	3.58 % 4.08 %
GMX Mail	4739 4739	4031 3982	547 585	161 172	85.06 % 84.03 %	11.54 % 12.34 %	3.40 % 3.63 %
Zoho Mail	4662 4909	3996 4131	527 614	139 164	85.71 % 84.15 %	11.30 % 12.51 %	2.98 % 3.34 %
ProtonMail	4884 4740	4208 4028	522 546	154 166	86.16 % 84.98 %	10.69 % 11.52 %	3.15 % 3.50 %
Custom Mail	4750 4800	4107 4082	498 561	145 157	86.46 % 85.04 %	10.48 % 11.69 %	3.05 % 3.27 %
iCloud Mail	4756 4793	3766 3721	787 844	203 228	79.18 % 77.63 %	16.55 % 17.61 %	4.27 % 4.76 %
Tuta	4679 4930	4017 4153	527 616	135 161	85.85 % 84.24 %	11.26 % 12.49 %	2.89 % 3.27 %
Juno.com	4631 4773	4008 4048	493 565	130 160	86.55 % 84.81 %	10.65 % 11.84 %	2.81 % 3.35 %

Compare Kit with other providers

Compare the email deliverability of Kit with other providers.