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
70.870 70.968	59.155 58.513	9.240 9.753	2.475 2.702

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 (%)
83.47 % 82.45 %	13.04 % 13.74 %	3.49 % 3.81 %

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	5419 5537	4672 4670	594 662	153 205	86.22 % 84.34 %	10.96 % 11.96 %	2.82 % 3.70 %
Elektronics	5399 5505	4553 4609	653 710	193 186	84.33 % 83.72 %	12.09 % 12.90 %	3.57 % 3.38 %
Entertainment	5474 5319	4567 4371	723 741	184 207	83.43 % 82.18 %	13.21 % 13.93 %	3.36 % 3.89 %
Cosmetics & Beauty	5397 5459	4495 4481	700 760	202 218	83.29 % 82.08 %	12.97 % 13.92 %	3.74 % 3.99 %
Food & Drink	5336 5286	4555 4509	595 615	186 162	85.36 % 85.30 %	11.15 % 11.63 %	3.49 % 3.06 %
Home & Garden	5656 5504	4848 4690	632 635	176 179	85.71 % 85.21 %	11.17 % 11.54 %	3.11 % 3.25 %
Finance	5244 5547	4237 4403	799 882	208 262	80.80 % 79.38 %	15.24 % 15.90 %	3.97 % 4.72 %
Health	5525 5399	4526 4378	779 795	220 226	81.92 % 81.09 %	14.10 % 14.72 %	3.98 % 4.19 %
Pets	5343 5541	4543 4634	639 706	161 201	85.03 % 83.63 %	11.96 % 12.74 %	3.01 % 3.63 %
Sport & Fitness	5709 5361	4717 4375	803 794	189 192	82.62 % 81.61 %	14.07 % 14.81 %	3.31 % 3.58 %
Job & Career	5371 5466	4339 4371	811 862	221 233	80.79 % 79.97 %	15.10 % 15.77 %	4.11 % 4.26 %
Dating	5570 5448	4524 4352	850 862	196 234	81.22 % 79.88 %	15.26 % 15.82 %	3.52 % 4.30 %
Other	5427 5596	4579 4670	662 729	186 197	84.37 % 83.45 %	12.20 % 13.03 %	3.43 % 3.52 %

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	5434 5436	4230 4170	948 988	256 278	77.84 % 76.71 %	17.45 % 18.18 %	4.71 % 5.11 %
Outlook Mail	5466 5238	4487 4220	784 802	195 216	82.09 % 80.57 %	14.34 % 15.31 %	3.57 % 4.12 %
Yahoo Mail	5430 5421	4481 4433	732 778	217 210	82.52 % 81.77 %	13.48 % 14.35 %	4.00 % 3.87 %
AOL Mail	5480 5516	4543 4503	749 787	188 226	82.90 % 81.64 %	13.67 % 14.27 %	3.43 % 4.10 %
Mail.com	5555 5408	4664 4479	699 721	192 208	83.96 % 82.82 %	12.58 % 13.33 %	3.46 % 3.85 %
Yandex Mail	5623 5347	4613 4318	806 814	204 215	82.04 % 80.76 %	14.33 % 15.22 %	3.63 % 4.02 %
GMX Mail	5401 5484	4587 4626	629 665	185 193	84.93 % 84.35 %	11.65 % 12.13 %	3.43 % 3.52 %
Zoho Mail	5360 5625	4584 4750	614 689	162 186	85.52 % 84.44 %	11.46 % 12.25 %	3.02 % 3.31 %
ProtonMail	5605 5409	4829 4615	608 611	168 183	86.16 % 85.32 %	10.85 % 11.30 %	3.00 % 3.38 %
Custom Mail	5428 5524	4684 4718	578 628	166 178	86.29 % 85.41 %	10.65 % 11.37 %	3.06 % 3.22 %
iCloud Mail	5431 5547	4295 4341	906 961	230 245	79.08 % 78.26 %	16.68 % 17.32 %	4.23 % 4.42 %
Tuta	5351 5570	4577 4705	613 682	161 183	85.54 % 84.47 %	11.46 % 12.24 %	3.01 % 3.29 %
Juno.com	5306 5443	4581 4635	574 627	151 181	86.34 % 85.16 %	10.82 % 11.52 %	2.85 % 3.33 %

Compare Kit with other providers

Compare the email deliverability of Kit with other providers.