Postmark and Kit Email Deliverability Comparison

Postmark

Kit

In this comparison, the deliverability of Postmark and Kit 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 Postmark than for Kit.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
65.027 65.946	50.616 51.041	13.085 13.503	1.326 1.402

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. Postmark beats Kit in this comparison.

Inbox (%)	Spam (%)	Lost (%)
77.84 % 77.40 %	20.12 % 20.48 %	2.04 % 2.13 %

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, Postmark is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	4970 4980	3843 3830	1033 1049	94 101	77.32 % 76.91 %	20.78 % 21.06 %	1.89 % 2.03 %
Elektronics	4862 5025	3785 3920	983 1000	94 105	77.85 % 78.01 %	20.22 % 19.90 %	1.93 % 2.09 %
Entertainment	4997 4935	3877 3777	1015 1052	105 106	77.59 % 76.53 %	20.31 % 21.32 %	2.10 % 2.15 %
Cosmetics & Beauty	4939 5214	3869 4061	976 1045	94 108	78.34 % 77.89 %	19.76 % 20.04 %	1.90 % 2.07 %
Food & Drink	5061 5131	3882 3948	1078 1067	101 116	76.70 % 76.94 %	21.30 % 20.80 %	2.00 % 2.26 %
Home & Garden	5067 5101	3946 3921	1012 1072	109 108	77.88 % 76.87 %	19.97 % 21.02 %	2.15 % 2.12 %
Finance	5190 5025	4199 4072	884 855	107 98	80.91 % 81.03 %	17.03 % 17.01 %	2.06 % 1.95 %
Health	4964 5187	4038 4184	818 895	108 108	81.35 % 80.66 %	16.48 % 17.25 %	2.18 % 2.08 %
Pets	5115 5110	3960 3890	1051 1104	104 116	77.42 % 76.13 %	20.55 % 21.60 %	2.03 % 2.27 %
Sport & Fitness	4997 5292	3891 4096	1008 1076	98 120	77.87 % 77.40 %	20.17 % 20.33 %	1.96 % 2.27 %
Job & Career	4970 4926	3720 3681	1149 1140	101 105	74.85 % 74.73 %	23.12 % 23.14 %	2.03 % 2.13 %
Dating	4915 5051	3632 3729	1185 1216	98 106	73.90 % 73.83 %	24.11 % 24.07 %	1.99 % 2.10 %
Other	4980 4969	3974 3932	893 932	113 105	79.80 % 79.13 %	17.93 % 18.76 %	2.27 % 2.11 %

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, Postmark is better than Kit.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4525 4680	3346 3457	1094 1133	85 90	73.94 % 73.87 %	24.18 % 24.21 %	1.88 % 1.92 %
Outlook Mail	4546 4799	3464 3678	993 1022	89 99	76.20 % 76.64 %	21.84 % 21.30 %	1.96 % 2.06 %
Yahoo Mail	4730 4717	3610 3592	1018 1026	102 99	76.32 % 76.15 %	21.52 % 21.75 %	2.16 % 2.10 %
AOL Mail	4744 4718	3664 3624	980 996	100 98	77.23 % 76.81 %	20.66 % 21.11 %	2.11 % 2.08 %
Mail.com	4897 4728	3912 3731	888 895	97 102	79.89 % 78.91 %	18.13 % 18.93 %	1.98 % 2.16 %
Yandex Mail	4667 4695	3569 3578	1003 1013	95 104	76.47 % 76.21 %	21.49 % 21.58 %	2.04 % 2.22 %
GMX Mail	4666 4634	3499 3514	1066 1028	101 92	74.99 % 75.83 %	22.85 % 22.18 %	2.16 % 1.99 %
Zoho Mail	4684 4700	3686 3697	906 903	92 100	78.69 % 78.66 %	19.34 % 19.21 %	1.96 % 2.13 %
ProtonMail	4568 4492	3673 3564	810 825	85 103	80.41 % 79.34 %	17.73 % 18.37 %	1.86 % 2.29 %
Custom Mail	4630 4608	3781 3690	744 815	105 103	81.66 % 80.08 %	16.07 % 17.69 %	2.27 % 2.24 %
iCloud Mail	4587 4781	3396 3518	1093 1161	98 102	74.04 % 73.58 %	23.83 % 24.28 %	2.14 % 2.13 %
Tuta	4684 4851	3760 3837	826 913	98 101	80.27 % 79.10 %	17.63 % 18.82 %	2.09 % 2.08 %
Juno.com	4737 4656	3776 3697	866 856	95 103	79.71 % 79.40 %	18.28 % 18.38 %	2.01 % 2.21 %
Mailfence	4362 4887	3480 3864	798 917	84 106	79.78 % 79.07 %	18.29 % 18.76 %	1.93 % 2.17 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.