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
44.416 44.308	37.223 36.117	5.651 6.404	1.542 1.787

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 (%)
83.81 % 81.51 %	12.72 % 14.45 %	3.47 % 4.03 %

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	3361 3433	2910 2867	364 434	87 132	86.58 % 83.51 %	10.83 % 12.64 %	2.59 % 3.85 %
Elektronics	3377 3414	2860 2823	395 466	122 125	84.69 % 82.69 %	11.70 % 13.65 %	3.61 % 3.66 %
Entertainment	3442 3342	2884 2714	441 492	117 136	83.79 % 81.21 %	12.81 % 14.72 %	3.40 % 4.07 %
Cosmetics & Beauty	3421 3358	2855 2715	435 496	131 147	83.46 % 80.85 %	12.72 % 14.77 %	3.83 % 4.38 %
Food & Drink	3326 3326	2853 2816	358 407	115 103	85.78 % 84.67 %	10.76 % 12.24 %	3.46 % 3.10 %
Home & Garden	3577 3410	3070 2873	387 419	120 118	85.83 % 84.25 %	10.82 % 12.29 %	3.35 % 3.46 %
Finance	3282 3489	2664 2723	486 579	132 187	81.17 % 78.05 %	14.81 % 16.60 %	4.02 % 5.36 %
Health	3448 3338	2836 2671	472 516	140 151	82.25 % 80.02 %	13.69 % 15.46 %	4.06 % 4.52 %
Pets	3305 3502	2824 2892	386 472	95 138	85.45 % 82.58 %	11.68 % 13.48 %	2.87 % 3.94 %
Sport & Fitness	3596 3373	2991 2723	495 521	110 129	83.18 % 80.73 %	13.77 % 15.45 %	3.06 % 3.82 %
Job & Career	3377 3392	2745 2684	497 555	135 153	81.29 % 79.13 %	14.72 % 16.36 %	4.00 % 4.51 %
Dating	3528 3355	2873 2663	526 554	129 138	81.43 % 79.37 %	14.91 % 16.51 %	3.66 % 4.11 %
Other	3376 3576	2858 2953	409 493	109 130	84.66 % 82.58 %	12.11 % 13.79 %	3.23 % 3.64 %

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	3407 3380	2669 2556	586 635	152 189	78.34 % 75.62 %	17.20 % 18.79 %	4.46 % 5.59 %
Outlook Mail	3397 3267	2807 2603	476 527	114 137	82.63 % 79.68 %	14.01 % 16.13 %	3.36 % 4.19 %
Yahoo Mail	3466 3432	2863 2776	453 518	150 138	82.60 % 80.89 %	13.07 % 15.09 %	4.33 % 4.02 %
AOL Mail	3328 3495	2760 2818	448 522	120 155	82.93 % 80.63 %	13.46 % 14.94 %	3.61 % 4.43 %
Mail.com	3516 3428	2966 2808	429 481	121 139	84.36 % 81.91 %	12.20 % 14.03 %	3.44 % 4.05 %
Yandex Mail	3515 3340	2901 2660	489 534	125 146	82.53 % 79.64 %	13.91 % 15.99 %	3.56 % 4.37 %
GMX Mail	3380 3391	2895 2828	382 430	103 133	85.65 % 83.40 %	11.30 % 12.68 %	3.05 % 3.92 %
Zoho Mail	3340 3521	2867 2938	377 457	96 126	85.84 % 83.44 %	11.29 % 12.98 %	2.87 % 3.58 %
ProtonMail	3548 3357	3058 2836	378 398	112 123	86.19 % 84.48 %	10.65 % 11.86 %	3.16 % 3.66 %
Custom Mail	3393 3365	2934 2852	350 408	109 105	86.47 % 84.75 %	10.32 % 12.12 %	3.21 % 3.12 %
iCloud Mail	3427 3409	2715 2622	562 619	150 168	79.22 % 76.91 %	16.40 % 18.16 %	4.38 % 4.93 %
Tuta	3335 3543	2867 2971	369 456	99 116	85.97 % 83.86 %	11.06 % 12.87 %	2.97 % 3.27 %
Juno.com	3364 3380	2921 2849	352 419	91 112	86.83 % 84.29 %	10.46 % 12.40 %	2.71 % 3.31 %

Compare Kit with other providers

Compare the email deliverability of Kit with other providers.