Kit and Postmark Email Deliverability Comparison

In this comparison, the deliverability of Kit and Postmark 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
146.779 147.015	121.410 120.909	21.659 20.423	4.684 5.173

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 (%)
82.72 % 82.24 %	14.76 % 13.89 %	3.19 % 3.52 %

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	11218 11277	9511 9443	1521 1406	304 392	84.78 % 83.74 %	13.56 % 12.47 %	2.71 % 3.48 %
Elektronics	11171 11316	9312 9424	1569 1504	368 369	83.36 % 83.28 %	14.05 % 13.29 %	3.29 % 3.26 %
Entertainment	11384 11234	9408 9229	1689 1581	354 384	82.64 % 82.15 %	14.84 % 14.07 %	3.11 % 3.42 %
Cosmetics & Beauty	11110 11222	9186 9250	1632 1584	360 374	82.68 % 82.43 %	14.69 % 14.12 %	3.24 % 3.33 %
Food & Drink	11359 11120	9555 9368	1532 1383	354 332	84.12 % 84.24 %	13.49 % 12.44 %	3.12 % 2.99 %
Home & Garden	11505 11374	9712 9586	1518 1393	327 350	84.42 % 84.28 %	13.19 % 12.25 %	2.84 % 3.08 %
Finance	11308 11390	9147 9148	1844 1768	399 462	80.89 % 80.32 %	16.31 % 15.52 %	3.53 % 4.06 %
Health	11317 11190	9217 9063	1754 1621	397 427	81.44 % 80.99 %	15.50 % 14.49 %	3.51 % 3.82 %
Pets	11156 11339	9349 9439	1557 1493	324 366	83.80 % 83.24 %	13.96 % 13.17 %	2.90 % 3.23 %
Sport & Fitness	11514 11448	9452 9331	1763 1674	362 407	82.09 % 81.51 %	15.31 % 14.62 %	3.14 % 3.56 %
Job & Career	11117 11464	8964 9177	1806 1777	406 461	80.63 % 80.05 %	16.25 % 15.50 %	3.65 % 4.02 %
Dating	11331 11236	9169 9005	1873 1710	393 466	80.92 % 80.14 %	16.53 % 15.22 %	3.47 % 4.15 %
Other	11289 11405	9428 9446	1601 1529	336 383	83.51 % 82.82 %	14.18 % 13.41 %	2.98 % 3.36 %

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	11320 11316	8903 8843	2028 1929	449 504	78.65 % 78.15 %	17.92 % 17.05 %	3.97 % 4.45 %
Outlook Mail	11274 11176	9178 8989	1764 1692	377 431	81.41 % 80.43 %	15.65 % 15.14 %	3.34 % 3.86 %
Yahoo Mail	11270 11164	9254 9116	1700 1606	374 405	82.11 % 81.66 %	15.08 % 14.39 %	3.32 % 3.63 %
AOL Mail	11359 11334	9346 9266	1745 1583	351 416	82.28 % 81.75 %	15.36 % 13.97 %	3.09 % 3.67 %
Mail.com	11451 11147	9532 9200	1638 1496	356 380	83.24 % 82.53 %	14.30 % 13.42 %	3.11 % 3.41 %
Yandex Mail	11494 11157	9390 9033	1815 1672	387 421	81.69 % 80.96 %	15.79 % 14.99 %	3.37 % 3.77 %
GMX Mail	11368 11304	9564 9436	1566 1439	353 376	84.13 % 83.47 %	13.78 % 12.73 %	3.11 % 3.33 %
Zoho Mail	11124 11469	9364 9590	1513 1471	334 358	84.18 % 83.62 %	13.60 % 12.83 %	3.00 % 3.12 %
ProtonMail	11333 11276	9585 9512	1483 1389	323 359	84.58 % 84.36 %	13.09 % 12.32 %	2.85 % 3.18 %
Custom Mail	11194 11489	9482 9705	1455 1423	327 354	84.71 % 84.47 %	13.00 % 12.39 %	2.92 % 3.08 %
iCloud Mail	11143 11321	8818 8998	1930 1836	445 449	79.13 % 79.48 %	17.32 % 16.22 %	3.99 % 3.97 %
Tuta	11320 11402	9547 9558	1561 1461	308 360	84.34 % 83.83 %	13.79 % 12.81 %	2.72 % 3.16 %
Juno.com	11129 11460	9447 9663	1461 1426	300 360	84.89 % 84.32 %	13.13 % 12.44 %	2.70 % 3.14 %

Compare Kit with other providers

Compare the email deliverability of Kit with other providers.