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 Kit than for Postmark.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
76.798 76.643	59.444 59.459	15.641 15.559	1.713 1.625

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 (%)
77.40 % 77.58 %	20.37 % 20.30 %	2.23 % 2.12 %

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	6023 5965	4621 4577	1271 1261	131 127	76.72 % 76.73 %	21.10 % 21.14 %	2.17 % 2.13 %
Elektronics	5836 5786	4530 4548	1176 1115	130 123	77.62 % 78.60 %	20.15 % 19.27 %	2.23 % 2.13 %
Entertainment	5800 5907	4456 4528	1225 1255	119 124	76.83 % 76.65 %	21.12 % 21.25 %	2.05 % 2.10 %
Cosmetics & Beauty	5908 5954	4597 4658	1184 1174	127 122	77.81 % 78.23 %	20.04 % 19.72 %	2.15 % 2.05 %
Food & Drink	5933 5862	4555 4516	1256 1216	122 130	76.77 % 77.04 %	21.17 % 20.74 %	2.06 % 2.22 %
Home & Garden	6024 5934	4641 4595	1249 1212	134 127	77.04 % 77.44 %	20.73 % 20.42 %	2.22 % 2.14 %
Finance	6100 5829	4945 4725	1013 983	142 121	81.07 % 81.06 %	16.61 % 16.86 %	2.33 % 2.08 %
Health	6121 5875	4955 4778	1027 974	139 123	80.95 % 81.33 %	16.78 % 16.58 %	2.27 % 2.09 %
Pets	6016 5980	4606 4592	1275 1254	135 134	76.56 % 76.79 %	21.19 % 20.97 %	2.24 % 2.24 %
Sport & Fitness	5696 5886	4426 4519	1145 1239	125 128	77.70 % 76.78 %	20.10 % 21.05 %	2.19 % 2.17 %
Job & Career	5828 5933	4344 4448	1351 1357	133 128	74.54 % 74.97 %	23.18 % 22.87 %	2.28 % 2.16 %
Dating	5816 5976	4275 4407	1409 1442	132 127	73.50 % 73.74 %	24.23 % 24.13 %	2.27 % 2.13 %
Other	5697 5756	4493 4568	1060 1077	144 111	78.87 % 79.36 %	18.61 % 18.71 %	2.53 % 1.93 %

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	5291 5467	3899 4033	1274 1326	118 108	73.69 % 73.77 %	24.08 % 24.25 %	2.23 % 1.98 %
Outlook Mail	5439 5472	4102 4181	1216 1179	121 112	75.42 % 76.41 %	22.36 % 21.55 %	2.22 % 2.05 %
Yahoo Mail	5571 5648	4230 4305	1222 1227	119 116	75.93 % 76.22 %	21.94 % 21.72 %	2.14 % 2.05 %
AOL Mail	5502 5541	4233 4253	1137 1175	132 113	76.94 % 76.76 %	20.67 % 21.21 %	2.40 % 2.04 %
Mail.com	5715 5406	4517 4261	1074 1028	124 117	79.04 % 78.82 %	18.79 % 19.02 %	2.17 % 2.16 %
Yandex Mail	5557 5401	4241 4145	1193 1149	123 107	76.32 % 76.75 %	21.47 % 21.27 %	2.21 % 1.98 %
GMX Mail	5337 5515	4004 4185	1212 1210	121 120	75.02 % 75.88 %	22.71 % 21.94 %	2.27 % 2.18 %
Zoho Mail	5427 5463	4225 4294	1085 1049	117 120	77.85 % 78.60 %	19.99 % 19.20 %	2.16 % 2.20 %
ProtonMail	5458 5329	4373 4237	975 970	110 122	80.12 % 79.51 %	17.86 % 18.20 %	2.02 % 2.29 %
Custom Mail	5333 5258	4300 4221	914 918	119 119	80.63 % 80.28 %	17.14 % 17.46 %	2.23 % 2.26 %
iCloud Mail	5380 5465	3973 4065	1279 1291	128 109	73.85 % 74.38 %	23.77 % 23.62 %	2.38 % 1.99 %
Tuta	5717 5744	4544 4555	1046 1065	127 124	79.48 % 79.30 %	18.30 % 18.54 %	2.22 % 2.16 %
Juno.com	5712 5446	4540 4372	1033 955	139 119	79.48 % 80.28 %	18.08 % 17.54 %	2.43 % 2.19 %
Mailfence	5359 5488	4263 4352	981 1017	115 119	79.55 % 79.30 %	18.31 % 18.53 %	2.15 % 2.17 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.