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 Postmark than for Sarbacane.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
63.961 64.877	50.217 50.734	12.619 13.143	1.413 1.267

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. Postmark beats Sarbacane in this comparison.

Inbox (%)	Spam (%)	Lost (%)
78.51 % 78.20 %	19.73 % 20.26 %	2.21 % 1.95 %

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, Postmark is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	4804 4860	3757 3787	971 996	105 94	78.21 % 77.92 %	20.21 % 20.49 %	2.19 % 1.93 %
Elektronics	4766 5171	3746 4067	946 1021	106 94	78.60 % 78.65 %	19.85 % 19.74 %	2.22 % 1.82 %
Entertainment	5025 5110	3920 3993	1009 1013	117 106	78.01 % 78.14 %	20.08 % 19.82 %	2.33 % 2.07 %
Cosmetics & Beauty	4806 4941	3784 3889	947 965	99 96	78.73 % 78.71 %	19.70 % 19.53 %	2.06 % 1.94 %
Food & Drink	4939 5105	3846 3970	1009 1046	104 104	77.87 % 77.77 %	20.43 % 20.49 %	2.11 % 2.04 %
Home & Garden	4853 5011	3813 3880	939 1066	111 92	78.57 % 77.43 %	19.35 % 21.27 %	2.29 % 1.84 %
Finance	5124 4887	4152 3975	892 845	110 92	81.03 % 81.34 %	17.41 % 17.29 %	2.15 % 1.88 %
Health	4903 4981	4012 4018	783 880	108 103	81.83 % 80.67 %	15.97 % 17.67 %	2.20 % 2.07 %
Pets	4994 4910	3887 3838	1004 1008	115 99	77.83 % 78.17 %	20.10 % 20.53 %	2.30 % 2.02 %
Sport & Fitness	4948 5078	3871 3960	997 1055	106 92	78.23 % 77.98 %	20.15 % 20.78 %	2.14 % 1.81 %
Job & Career	4860 4944	3703 3805	1080 1069	109 96	76.19 % 76.96 %	22.22 % 21.62 %	2.24 % 1.94 %
Dating	4816 4778	3616 3533	1124 1176	106 89	75.08 % 73.94 %	23.34 % 24.61 %	2.20 % 1.86 %
Other	5123 5101	4110 4019	918 1003	117 110	80.23 % 78.79 %	17.92 % 19.66 %	2.28 % 2.16 %

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, Postmark is better than Sarbacane.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4572 4659	3436 3489	1061 1083	95 100	75.15 % 74.89 %	23.21 % 23.25 %	2.08 % 2.15 %
Outlook Mail	4560 4704	3490 3620	972 1025	105 87	76.54 % 76.96 %	21.32 % 21.79 %	2.30 % 1.85 %
Yahoo Mail	4647 4742	3595 3696	968 969	104 90	77.36 % 77.94 %	20.83 % 20.43 %	2.24 % 1.90 %
AOL Mail	4668 4576	3635 3566	949 954	100 92	77.87 % 77.93 %	20.33 % 20.85 %	2.14 % 2.01 %
Mail.com	4676 4676	3755 3686	833 921	103 88	80.30 % 78.83 %	17.81 % 19.70 %	2.20 % 1.88 %
Yandex Mail	4591 4705	3565 3649	944 985	102 89	77.65 % 77.56 %	20.56 % 20.94 %	2.22 % 1.89 %
GMX Mail	4634 4707	3552 3594	994 1036	110 98	76.65 % 76.35 %	21.45 % 22.01 %	2.37 % 2.08 %
Zoho Mail	4714 4871	3774 3860	866 943	102 99	80.06 % 79.24 %	18.37 % 19.36 %	2.16 % 2.03 %
ProtonMail	4452 4777	3567 3791	824 904	93 97	80.12 % 79.36 %	18.51 % 18.92 %	2.09 % 2.03 %
Custom Mail	4631 4688	3783 3781	756 834	108 96	81.69 % 80.65 %	16.32 % 17.79 %	2.33 % 2.05 %
iCloud Mail	4587 4569	3469 3436	1035 1035	102 90	75.63 % 75.20 %	22.56 % 22.65 %	2.22 % 1.97 %
Tuta	4657 4509	3750 3604	833 853	106 74	80.52 % 79.93 %	17.89 % 18.92 %	2.28 % 1.64 %
Juno.com	4828 4709	3877 3772	887 879	105 94	80.30 % 80.10 %	18.37 % 18.67 %	2.17 % 2.00 %
Mailfence	3744 3985	2969 3190	697 722	78 73	79.30 % 80.05 %	18.62 % 18.12 %	2.08 % 1.83 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.