Postmark and Sarbacane Email Deliverability Comparison

Postmark

Sarbacane

In this comparison, the deliverability of Postmark and Sarbacane 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 Sarbacane than for Postmark.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
65.170 66.014	50.776 51.676	13.059 13.064	1.335 1.274

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. Sarbacane beats Postmark in this comparison.

Inbox (%)	Spam (%)	Lost (%)
77.91 % 78.28 %	20.04 % 19.79 %	2.05 % 1.93 %

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, Sarbacane is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	5054 5046	3909 3917	1048 1035	97 94	77.34 % 77.63 %	20.74 % 20.51 %	1.92 % 1.86 %
Elektronics	4865 5177	3784 4087	983 998	98 92	77.78 % 78.95 %	20.21 % 19.28 %	2.01 % 1.78 %
Entertainment	4883 4919	3811 3811	967 1006	105 102	78.05 % 77.48 %	19.80 % 20.45 %	2.15 % 2.07 %
Cosmetics & Beauty	5003 5245	3922 4132	985 1011	96 102	78.39 % 78.78 %	19.69 % 19.28 %	1.92 % 1.94 %
Food & Drink	5094 5236	3918 4096	1077 1037	99 103	76.91 % 78.23 %	21.14 % 19.81 %	1.94 % 1.97 %
Home & Garden	5052 4920	3925 3808	1016 1017	111 95	77.69 % 77.40 %	20.11 % 20.67 %	2.20 % 1.93 %
Finance	5254 5033	4268 4130	882 811	104 92	81.23 % 82.06 %	16.79 % 16.11 %	1.98 % 1.83 %
Health	4946 5094	4022 4148	816 836	108 110	81.32 % 81.43 %	16.50 % 16.41 %	2.18 % 2.16 %
Pets	5085 5020	3940 3911	1041 1010	104 99	77.48 % 77.91 %	20.47 % 20.12 %	2.05 % 1.97 %
Sport & Fitness	5081 5191	3966 4044	1018 1054	97 93	78.06 % 77.90 %	20.04 % 20.30 %	1.91 % 1.79 %
Job & Career	4957 5007	3705 3825	1146 1088	106 94	74.74 % 76.39 %	23.12 % 21.73 %	2.14 % 1.88 %
Dating	4950 4991	3655 3672	1198 1226	97 93	73.84 % 73.57 %	24.20 % 24.56 %	1.96 % 1.86 %
Other	4946 5135	3951 4095	882 935	113 105	79.88 % 79.75 %	17.83 % 18.21 %	2.28 % 2.04 %

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, Sarbacane is better than Postmark.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4513 4525	3341 3349	1083 1089	89 87	74.03 % 74.01 %	24.00 % 24.07 %	1.97 % 1.92 %
Outlook Mail	4625 4654	3521 3549	1012 1020	92 85	76.13 % 76.26 %	21.88 % 21.92 %	1.99 % 1.83 %
Yahoo Mail	4521 4784	3465 3724	960 975	96 85	76.64 % 77.84 %	21.23 % 20.38 %	2.12 % 1.78 %
AOL Mail	4776 4792	3694 3724	980 980	102 88	77.35 % 77.71 %	20.52 % 20.45 %	2.14 % 1.84 %
Mail.com	4943 4664	3946 3717	900 862	97 85	79.83 % 79.70 %	18.21 % 18.48 %	1.96 % 1.82 %
Yandex Mail	4742 4748	3626 3680	1017 972	99 96	76.47 % 77.51 %	21.45 % 20.47 %	2.09 % 2.02 %
GMX Mail	4579 4630	3454 3503	1030 1028	95 99	75.43 % 75.66 %	22.49 % 22.20 %	2.07 % 2.14 %
Zoho Mail	4664 4662	3665 3741	905 831	94 90	78.58 % 80.24 %	19.40 % 17.82 %	2.02 % 1.93 %
ProtonMail	4584 4786	3702 3841	793 846	89 99	80.76 % 80.25 %	17.30 % 17.68 %	1.94 % 2.07 %
Custom Mail	4579 4910	3710 3984	766 833	103 93	81.02 % 81.14 %	16.73 % 16.97 %	2.25 % 1.89 %
iCloud Mail	4644 4587	3451 3423	1095 1074	98 90	74.31 % 74.62 %	23.58 % 23.41 %	2.11 % 1.96 %
Tuta	4740 4579	3800 3688	842 813	98 78	80.17 % 80.54 %	17.76 % 17.75 %	2.07 % 1.70 %
Juno.com	4891 4812	3897 3844	893 866	101 102	79.68 % 79.88 %	18.26 % 18.00 %	2.07 % 2.12 %
Mailfence	4369 4881	3504 3909	783 875	82 97	80.20 % 80.09 %	17.92 % 17.93 %	1.88 % 1.99 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.