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
65.027 66.161	50.616 51.925	13.085 13.016	1.326 1.220

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 (%)
77.84 % 78.48 %	20.12 % 19.67 %	2.04 % 1.84 %

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	4970 4991	3843 3900	1033 1002	94 89	77.32 % 78.14 %	20.78 % 20.08 %	1.89 % 1.78 %
Elektronics	4862 5076	3785 4017	983 973	94 86	77.85 % 79.14 %	20.22 % 19.17 %	1.93 % 1.69 %
Entertainment	4997 5056	3877 3936	1015 1018	105 102	77.59 % 77.85 %	20.31 % 20.13 %	2.10 % 2.02 %
Cosmetics & Beauty	4939 5163	3869 4083	976 987	94 93	78.34 % 79.08 %	19.76 % 19.12 %	1.90 % 1.80 %
Food & Drink	5061 5199	3882 4077	1078 1023	101 99	76.70 % 78.42 %	21.30 % 19.68 %	2.00 % 1.90 %
Home & Garden	5067 5013	3946 3899	1012 1022	109 92	77.88 % 77.78 %	19.97 % 20.39 %	2.15 % 1.84 %
Finance	5190 4939	4199 4072	884 779	107 88	80.91 % 82.45 %	17.03 % 15.77 %	2.06 % 1.78 %
Health	4964 5111	4038 4177	818 829	108 105	81.35 % 81.73 %	16.48 % 16.22 %	2.18 % 2.05 %
Pets	5115 5130	3960 4011	1051 1023	104 96	77.42 % 78.19 %	20.55 % 19.94 %	2.03 % 1.87 %
Sport & Fitness	4997 5222	3891 4083	1008 1054	98 85	77.87 % 78.19 %	20.17 % 20.18 %	1.96 % 1.63 %
Job & Career	4970 4970	3720 3802	1149 1081	101 87	74.85 % 76.50 %	23.12 % 21.75 %	2.03 % 1.75 %
Dating	4915 5118	3632 3761	1185 1262	98 95	73.90 % 73.49 %	24.11 % 24.66 %	1.99 % 1.86 %
Other	4980 5173	3974 4107	893 963	113 103	79.80 % 79.39 %	17.93 % 18.62 %	2.27 % 1.99 %

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	4525 4607	3346 3421	1094 1100	85 86	73.94 % 74.26 %	24.18 % 23.88 %	1.88 % 1.87 %
Outlook Mail	4546 4701	3464 3609	993 1007	89 85	76.20 % 76.77 %	21.84 % 21.42 %	1.96 % 1.81 %
Yahoo Mail	4730 4808	3610 3773	1018 956	102 79	76.32 % 78.47 %	21.52 % 19.88 %	2.16 % 1.64 %
AOL Mail	4744 4764	3664 3713	980 963	100 88	77.23 % 77.94 %	20.66 % 20.21 %	2.11 % 1.85 %
Mail.com	4897 4650	3912 3722	888 847	97 81	79.89 % 80.04 %	18.13 % 18.22 %	1.98 % 1.74 %
Yandex Mail	4667 4767	3569 3708	1003 969	95 90	76.47 % 77.78 %	21.49 % 20.33 %	2.04 % 1.89 %
GMX Mail	4666 4624	3499 3509	1066 1016	101 99	74.99 % 75.89 %	22.85 % 21.97 %	2.16 % 2.14 %
Zoho Mail	4684 4760	3686 3826	906 846	92 88	78.69 % 80.38 %	19.34 % 17.77 %	1.96 % 1.85 %
ProtonMail	4568 4818	3673 3865	810 860	85 93	80.41 % 80.22 %	17.73 % 17.85 %	1.86 % 1.93 %
Custom Mail	4630 4876	3781 3958	744 827	105 91	81.66 % 81.17 %	16.07 % 16.96 %	2.27 % 1.87 %
iCloud Mail	4587 4528	3396 3390	1093 1055	98 83	74.04 % 74.87 %	23.83 % 23.30 %	2.14 % 1.83 %
Tuta	4684 4552	3760 3655	826 825	98 72	80.27 % 80.29 %	17.63 % 18.12 %	2.09 % 1.58 %
Juno.com	4737 4816	3776 3867	866 854	95 95	79.71 % 80.29 %	18.28 % 17.73 %	2.01 % 1.97 %
Mailfence	4362 4890	3480 3909	798 891	84 90	79.78 % 79.94 %	18.29 % 18.22 %	1.93 % 1.84 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.