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
65.137 65.975	50.600 51.577	13.149 13.109	1.388 1.289

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 (%)
77.68 % 78.18 %	20.19 % 19.87 %	2.13 % 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, Sarbacane is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	5071 5191	3914 4023	1056 1069	101 99	77.18 % 77.50 %	20.82 % 20.59 %	1.99 % 1.91 %
Elektronics	4882 5010	3796 3941	979 974	107 95	77.76 % 78.66 %	20.05 % 19.44 %	2.19 % 1.90 %
Entertainment	4910 4979	3793 3838	1011 1035	106 106	77.25 % 77.08 %	20.59 % 20.79 %	2.16 % 2.13 %
Cosmetics & Beauty	5043 5125	3928 4024	1011 997	104 104	77.89 % 78.52 %	20.05 % 19.45 %	2.06 % 2.03 %
Food & Drink	5038 5280	3866 4137	1075 1037	97 106	76.74 % 78.35 %	21.34 % 19.64 %	1.93 % 2.01 %
Home & Garden	5083 4947	3928 3828	1044 1023	111 96	77.28 % 77.38 %	20.54 % 20.68 %	2.18 % 1.94 %
Finance	5308 5105	4312 4183	881 830	115 92	81.24 % 81.94 %	16.60 % 16.26 %	2.17 % 1.80 %
Health	5000 5036	4060 4094	830 837	110 105	81.20 % 81.29 %	16.60 % 16.62 %	2.20 % 2.08 %
Pets	5137 4994	3965 3903	1063 992	109 99	77.19 % 78.15 %	20.69 % 19.86 %	2.12 % 1.98 %
Sport & Fitness	4944 5208	3845 4060	997 1051	102 97	77.77 % 77.96 %	20.17 % 20.18 %	2.06 % 1.86 %
Job & Career	4922 5055	3676 3850	1142 1113	104 92	74.69 % 76.16 %	23.20 % 22.02 %	2.11 % 1.82 %
Dating	4871 5042	3605 3707	1165 1239	101 96	74.01 % 73.52 %	23.92 % 24.57 %	2.07 % 1.90 %
Other	4928 5003	3912 3989	895 912	121 102	79.38 % 79.73 %	18.16 % 18.23 %	2.46 % 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	4479 4610	3323 3401	1062 1119	94 90	74.19 % 73.77 %	23.71 % 24.27 %	2.10 % 1.95 %
Outlook Mail	4531 4731	3444 3604	991 1041	96 86	76.01 % 76.18 %	21.87 % 22.00 %	2.12 % 1.82 %
Yahoo Mail	4597 4827	3508 3749	991 989	98 89	76.31 % 77.67 %	21.56 % 20.49 %	2.13 % 1.84 %
AOL Mail	4857 4779	3756 3707	996 985	105 87	77.33 % 77.57 %	20.51 % 20.61 %	2.16 % 1.82 %
Mail.com	4956 4624	3934 3683	923 853	99 88	79.38 % 79.65 %	18.62 % 18.45 %	2.00 % 1.90 %
Yandex Mail	4687 4631	3562 3578	1019 961	106 92	76.00 % 77.26 %	21.74 % 20.75 %	2.26 % 1.99 %
GMX Mail	4506 4603	3390 3488	1018 1014	98 101	75.23 % 75.78 %	22.59 % 22.03 %	2.17 % 2.19 %
Zoho Mail	4645 4641	3625 3721	924 828	96 92	78.04 % 80.18 %	19.89 % 17.84 %	2.07 % 1.98 %
ProtonMail	4620 4755	3706 3824	824 837	90 94	80.22 % 80.42 %	17.84 % 17.60 %	1.95 % 1.98 %
Custom Mail	4614 4843	3728 3917	781 835	105 91	80.80 % 80.88 %	16.93 % 17.24 %	2.28 % 1.88 %
iCloud Mail	4518 4706	3365 3502	1052 1110	101 94	74.48 % 74.42 %	23.28 % 23.59 %	2.24 % 2.00 %
Tuta	4771 4565	3807 3668	863 815	101 82	79.79 % 80.35 %	18.09 % 17.85 %	2.12 % 1.80 %
Juno.com	4871 4780	3869 3812	892 863	110 105	79.43 % 79.75 %	18.31 % 18.05 %	2.26 % 2.20 %
Mailfence	4485 4880	3583 3923	813 859	89 98	79.89 % 80.39 %	18.13 % 17.60 %	1.98 % 2.01 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.