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
63.445 64.199	50.822 50.227	11.778 13.019	1.354 1.456

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 (%)
80.10 % 78.24 %	18.56 % 20.28 %	2.13 % 2.27 %

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	4784 4862	3827 3822	896 1000	102 109	80.00 % 78.61 %	18.73 % 20.57 %	2.13 % 2.24 %
Elektronics	4743 4984	3808 3908	875 1013	101 108	80.29 % 78.41 %	18.45 % 20.33 %	2.13 % 2.17 %
Entertainment	5083 4853	4042 3776	963 989	120 107	79.52 % 77.81 %	18.95 % 20.38 %	2.36 % 2.20 %
Cosmetics & Beauty	4728 5017	3806 3966	876 993	96 104	80.50 % 79.05 %	18.53 % 19.79 %	2.03 % 2.07 %
Food & Drink	4798 5051	3836 3933	913 1035	93 118	79.95 % 77.87 %	19.03 % 20.49 %	1.94 % 2.34 %
Home & Garden	4796 5055	3857 3884	863 1076	104 110	80.42 % 76.83 %	17.99 % 21.29 %	2.17 % 2.18 %
Finance	4978 4966	4085 4011	845 878	103 110	82.06 % 80.77 %	16.97 % 17.68 %	2.07 % 2.22 %
Health	4709 4914	3895 3940	721 895	98 111	82.71 % 80.18 %	15.31 % 18.21 %	2.08 % 2.26 %
Pets	4983 4915	3962 3818	938 1026	113 117	79.51 % 77.68 %	18.82 % 20.87 %	2.27 % 2.38 %
Sport & Fitness	5096 4988	4048 3921	976 980	108 119	79.43 % 78.61 %	19.15 % 19.65 %	2.12 % 2.39 %
Job & Career	4854 4740	3814 3634	983 1027	101 110	78.57 % 76.67 %	20.25 % 21.67 %	2.08 % 2.32 %
Dating	4857 4881	3741 3693	1049 1123	103 114	77.02 % 75.66 %	21.60 % 23.01 %	2.12 % 2.34 %
Other	5036 4973	4101 3921	880 984	112 119	81.43 % 78.85 %	17.47 % 19.79 %	2.22 % 2.39 %

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	4638 4621	3591 3520	1000 1032	93 101	77.43 % 76.17 %	21.56 % 22.33 %	2.01 % 2.19 %
Outlook Mail	4562 4643	3585 3600	909 962	101 103	78.58 % 77.54 %	19.93 % 20.72 %	2.21 % 2.22 %
Yahoo Mail	4625 4629	3657 3586	908 959	101 102	79.07 % 77.47 %	19.63 % 20.72 %	2.18 % 2.20 %
AOL Mail	4633 4734	3688 3681	873 982	95 107	79.60 % 77.76 %	18.84 % 20.74 %	2.05 % 2.26 %
Mail.com	4620 4748	3772 3796	766 878	97 107	81.65 % 79.95 %	16.58 % 18.49 %	2.10 % 2.25 %
Yandex Mail	4706 4825	3758 3737	882 1026	101 116	79.86 % 77.45 %	18.74 % 21.26 %	2.15 % 2.40 %
GMX Mail	4690 4693	3679 3627	928 1016	111 103	78.44 % 77.29 %	19.79 % 21.65 %	2.37 % 2.19 %
Zoho Mail	4704 4655	3835 3691	817 910	99 104	81.53 % 79.29 %	17.37 % 19.55 %	2.10 % 2.23 %
ProtonMail	4536 4660	3702 3707	801 897	94 107	81.61 % 79.55 %	17.66 % 19.25 %	2.07 % 2.30 %
Custom Mail	4667 4697	3866 3769	748 863	103 109	82.84 % 80.24 %	16.03 % 18.37 %	2.21 % 2.32 %
iCloud Mail	4614 4629	3582 3466	966 1071	99 111	77.63 % 74.88 %	20.94 % 23.14 %	2.15 % 2.40 %
Tuta	4645 4831	3785 3840	801 935	99 109	81.49 % 79.49 %	17.24 % 19.35 %	2.13 % 2.26 %
Juno.com	4779 4702	3901 3744	834 885	101 111	81.63 % 79.63 %	17.45 % 18.82 %	2.11 % 2.36 %
Mailfence	3026 3132	2421 2463	545 603	60 66	80.01 % 78.64 %	18.01 % 19.25 %	1.98 % 2.11 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.