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
64.919 65.682	50.483 50.857	13.108 13.425	1.328 1.400

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 (%)
77.76 % 77.43 %	20.19 % 20.44 %	2.05 % 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	4961 4934	3834 3803	1029 1032	98 99	77.28 % 77.08 %	20.74 % 20.92 %	1.98 % 2.01 %
Elektronics	4886 5055	3792 3941	995 1011	99 103	77.61 % 77.96 %	20.36 % 20.00 %	2.03 % 2.04 %
Entertainment	5077 4928	3911 3792	1056 1035	110 101	77.03 % 76.95 %	20.80 % 21.00 %	2.17 % 2.05 %
Cosmetics & Beauty	4939 5118	3857 3991	987 1023	95 104	78.09 % 77.98 %	19.98 % 19.99 %	1.92 % 2.03 %
Food & Drink	5041 5034	3880 3884	1060 1036	101 114	76.97 % 77.16 %	21.03 % 20.58 %	2.00 % 2.26 %
Home & Garden	4911 5153	3830 3928	976 1118	105 107	77.99 % 76.23 %	19.87 % 21.70 %	2.14 % 2.08 %
Finance	5187 4996	4202 4055	882 837	103 104	81.01 % 81.16 %	17.00 % 16.75 %	1.99 % 2.08 %
Health	4990 5193	4089 4178	799 905	102 110	81.94 % 80.45 %	16.01 % 17.43 %	2.04 % 2.12 %
Pets	5064 5084	3908 3890	1048 1078	108 116	77.17 % 76.51 %	20.70 % 21.20 %	2.13 % 2.28 %
Sport & Fitness	4964 5108	3838 3960	1030 1035	96 113	77.32 % 77.53 %	20.75 % 20.26 %	1.93 % 2.21 %
Job & Career	4917 4965	3695 3736	1123 1122	99 107	75.15 % 75.25 %	22.84 % 22.60 %	2.01 % 2.16 %
Dating	4963 5067	3653 3721	1210 1233	100 113	73.60 % 73.44 %	24.38 % 24.33 %	2.01 % 2.23 %
Other	5019 5047	3994 3978	913 960	112 109	79.58 % 78.82 %	18.19 % 19.02 %	2.23 % 2.16 %

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	4490 4611	3294 3416	1111 1106	85 89	73.36 % 74.08 %	24.74 % 23.99 %	1.89 % 1.93 %
Outlook Mail	4554 4718	3450 3624	1009 996	95 98	75.76 % 76.81 %	22.16 % 21.11 %	2.09 % 2.08 %
Yahoo Mail	4733 4739	3613 3614	1022 1025	98 100	76.34 % 76.26 %	21.59 % 21.63 %	2.07 % 2.11 %
AOL Mail	4753 4678	3652 3600	1003 979	98 99	76.84 % 76.96 %	21.10 % 20.93 %	2.06 % 2.12 %
Mail.com	4829 4706	3857 3722	871 879	101 105	79.87 % 79.09 %	18.04 % 18.68 %	2.09 % 2.23 %
Yandex Mail	4621 4695	3537 3578	990 1010	94 107	76.54 % 76.21 %	21.42 % 21.51 %	2.03 % 2.28 %
GMX Mail	4662 4660	3517 3523	1045 1042	100 95	75.44 % 75.60 %	22.42 % 22.36 %	2.15 % 2.04 %
Zoho Mail	4636 4695	3676 3696	865 904	95 95	79.29 % 78.72 %	18.66 % 19.25 %	2.05 % 2.02 %
ProtonMail	4513 4557	3599 3621	831 834	83 102	79.75 % 79.46 %	18.41 % 18.30 %	1.84 % 2.24 %
Custom Mail	4622 4681	3768 3745	751 830	103 106	81.52 % 80.00 %	16.25 % 17.73 %	2.23 % 2.26 %
iCloud Mail	4550 4774	3366 3490	1091 1184	93 100	73.98 % 73.10 %	23.98 % 24.80 %	2.04 % 2.09 %
Tuta	4689 4811	3755 3803	835 907	99 101	80.08 % 79.05 %	17.81 % 18.85 %	2.11 % 2.10 %
Juno.com	4771 4612	3796 3652	880 853	95 107	79.56 % 79.18 %	18.44 % 18.50 %	1.99 % 2.32 %
Mailfence	4496 4745	3603 3773	804 876	89 96	80.14 % 79.52 %	17.88 % 18.46 %	1.98 % 2.02 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.