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
63.445 64.320	50.822 50.685	11.778 12.973	1.354 1.205

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 (%)
80.10 % 78.80 %	18.56 % 20.17 %	2.13 % 1.87 %

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	4784 4882	3827 3840	896 992	102 95	80.00 % 78.66 %	18.73 % 20.32 %	2.13 % 1.95 %
Elektronics	4743 5157	3808 4084	875 1021	101 88	80.29 % 79.19 %	18.45 % 19.80 %	2.13 % 1.71 %
Entertainment	5083 5008	4042 3932	963 993	120 102	79.52 % 78.51 %	18.95 % 19.83 %	2.36 % 2.04 %
Cosmetics & Beauty	4728 4899	3806 3881	876 961	96 91	80.50 % 79.22 %	18.53 % 19.62 %	2.03 % 1.86 %
Food & Drink	4798 5009	3836 3938	913 1017	93 95	79.95 % 78.62 %	19.03 % 20.30 %	1.94 % 1.90 %
Home & Garden	4796 5033	3857 3942	863 1046	104 90	80.42 % 78.32 %	17.99 % 20.78 %	2.17 % 1.79 %
Finance	4978 4773	4085 3869	845 859	103 92	82.06 % 81.06 %	16.97 % 18.00 %	2.07 % 1.93 %
Health	4709 4949	3895 3989	721 910	98 98	82.71 % 80.60 %	15.31 % 18.39 %	2.08 % 1.98 %
Pets	4983 4793	3962 3779	938 970	113 89	79.51 % 78.84 %	18.82 % 20.24 %	2.27 % 1.86 %
Sport & Fitness	5096 5130	4048 4044	976 1062	108 86	79.43 % 78.83 %	19.15 % 20.70 %	2.12 % 1.68 %
Job & Career	4854 4958	3814 3854	983 1055	101 92	78.57 % 77.73 %	20.25 % 21.28 %	2.08 % 1.86 %
Dating	4857 4654	3741 3498	1049 1101	103 84	77.02 % 75.16 %	21.60 % 23.66 %	2.12 % 1.80 %
Other	5036 5075	4101 4035	880 986	112 103	81.43 % 79.51 %	17.47 % 19.43 %	2.22 % 2.03 %

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	4638 4688	3591 3577	1000 1048	93 96	77.43 % 76.30 %	21.56 % 22.35 %	2.01 % 2.05 %
Outlook Mail	4562 4721	3585 3665	909 1012	101 81	78.58 % 77.63 %	19.93 % 21.44 %	2.21 % 1.72 %
Yahoo Mail	4625 4726	3657 3724	908 961	101 89	79.07 % 78.80 %	19.63 % 20.33 %	2.18 % 1.88 %
AOL Mail	4633 4590	3688 3616	873 953	95 89	79.60 % 78.78 %	18.84 % 20.76 %	2.05 % 1.94 %
Mail.com	4620 4713	3772 3734	766 940	97 84	81.65 % 79.23 %	16.58 % 19.94 %	2.10 % 1.78 %
Yandex Mail	4706 4751	3758 3725	882 983	101 91	79.86 % 78.40 %	18.74 % 20.69 %	2.15 % 1.92 %
GMX Mail	4690 4712	3679 3643	928 1007	111 93	78.44 % 77.31 %	19.79 % 21.37 %	2.37 % 1.97 %
Zoho Mail	4704 4954	3835 3943	817 972	99 98	81.53 % 79.59 %	17.37 % 19.62 %	2.10 % 1.98 %
ProtonMail	4536 4743	3702 3790	801 911	94 88	81.61 % 79.91 %	17.66 % 19.21 %	2.07 % 1.86 %
Custom Mail	4667 4687	3866 3782	748 845	103 94	82.84 % 80.69 %	16.03 % 18.03 %	2.21 % 2.01 %
iCloud Mail	4614 4613	3582 3501	966 1026	99 83	77.63 % 75.89 %	20.94 % 22.24 %	2.15 % 1.80 %
Tuta	4645 4539	3785 3643	801 867	99 79	81.49 % 80.26 %	17.24 % 19.10 %	2.13 % 1.74 %
Juno.com	4779 4703	3901 3762	834 900	101 88	81.63 % 79.99 %	17.45 % 19.14 %	2.11 % 1.87 %
Mailfence	3026 3180	2421 2580	545 548	60 52	80.01 % 81.13 %	18.01 % 17.23 %	1.98 % 1.64 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.