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
65.137 65.756	50.600 50.741	13.149 13.544	1.388 1.471

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 (%)
77.68 % 77.17 %	20.19 % 20.60 %	2.13 % 2.24 %

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	5071 5239	3914 4006	1056 1114	101 119	77.18 % 76.46 %	20.82 % 21.26 %	1.99 % 2.27 %
Elektronics	4882 4893	3796 3832	979 952	107 109	77.76 % 78.32 %	20.05 % 19.46 %	2.19 % 2.23 %
Entertainment	4910 4949	3793 3761	1011 1078	106 110	77.25 % 76.00 %	20.59 % 21.78 %	2.16 % 2.22 %
Cosmetics & Beauty	5043 5035	3928 3924	1011 1001	104 110	77.89 % 77.93 %	20.05 % 19.88 %	2.06 % 2.18 %
Food & Drink	5038 5037	3866 3867	1075 1052	97 118	76.74 % 76.77 %	21.34 % 20.89 %	1.93 % 2.34 %
Home & Garden	5083 5043	3928 3881	1044 1047	111 115	77.28 % 76.96 %	20.54 % 20.76 %	2.18 % 2.28 %
Finance	5308 4986	4312 4022	881 856	115 108	81.24 % 80.67 %	16.60 % 17.17 %	2.17 % 2.17 %
Health	5000 5053	4060 4082	830 860	110 111	81.20 % 80.78 %	16.60 % 17.02 %	2.20 % 2.20 %
Pets	5137 5179	3965 3930	1063 1126	109 123	77.19 % 75.88 %	20.69 % 21.74 %	2.12 % 2.37 %
Sport & Fitness	4944 5135	3845 3924	997 1093	102 118	77.77 % 76.42 %	20.17 % 21.29 %	2.06 % 2.30 %
Job & Career	4922 5132	3676 3835	1142 1180	104 117	74.69 % 74.73 %	23.20 % 22.99 %	2.11 % 2.28 %
Dating	4871 5113	3605 3758	1165 1244	101 111	74.01 % 73.50 %	23.92 % 24.33 %	2.07 % 2.17 %
Other	4928 4962	3912 3919	895 941	121 102	79.38 % 78.98 %	18.16 % 18.96 %	2.46 % 2.06 %

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	4479 4597	3323 3365	1062 1138	94 94	74.19 % 73.20 %	23.71 % 24.76 %	2.10 % 2.04 %
Outlook Mail	4531 4816	3444 3671	991 1042	96 103	76.01 % 76.23 %	21.87 % 21.64 %	2.12 % 2.14 %
Yahoo Mail	4597 4767	3508 3614	991 1048	98 105	76.31 % 75.81 %	21.56 % 21.98 %	2.13 % 2.20 %
AOL Mail	4857 4718	3756 3609	996 1007	105 102	77.33 % 76.49 %	20.51 % 21.34 %	2.16 % 2.16 %
Mail.com	4956 4694	3934 3673	923 914	99 107	79.38 % 78.25 %	18.62 % 19.47 %	2.00 % 2.28 %
Yandex Mail	4687 4654	3562 3551	1019 1002	106 101	76.00 % 76.30 %	21.74 % 21.53 %	2.26 % 2.17 %
GMX Mail	4506 4610	3390 3483	1018 1027	98 100	75.23 % 75.55 %	22.59 % 22.28 %	2.17 % 2.17 %
Zoho Mail	4645 4735	3625 3698	924 926	96 111	78.04 % 78.10 %	19.89 % 19.56 %	2.07 % 2.34 %
ProtonMail	4620 4580	3706 3630	824 835	90 115	80.22 % 79.26 %	17.84 % 18.23 %	1.95 % 2.51 %
Custom Mail	4614 4559	3728 3656	781 796	105 107	80.80 % 80.19 %	16.93 % 17.46 %	2.28 % 2.35 %
iCloud Mail	4518 4680	3365 3459	1052 1123	101 98	74.48 % 73.91 %	23.28 % 24.00 %	2.24 % 2.09 %
Tuta	4771 4840	3807 3809	863 920	101 111	79.79 % 78.70 %	18.09 % 19.01 %	2.12 % 2.29 %
Juno.com	4871 4625	3869 3687	892 833	110 105	79.43 % 79.72 %	18.31 % 18.01 %	2.26 % 2.27 %
Mailfence	4485 4881	3583 3836	813 933	89 112	79.89 % 78.59 %	18.13 % 19.11 %	1.98 % 2.29 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.