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
64.919 65.728	50.483 51.728	13.108 12.814	1.328 1.186

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 (%)
77.76 % 78.70 %	20.19 % 19.50 %	2.05 % 1.80 %

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	4961 4958	3834 3893	1029 974	98 91	77.28 % 78.52 %	20.74 % 19.65 %	1.98 % 1.84 %
Elektronics	4886 5130	3792 4065	995 980	99 85	77.61 % 79.24 %	20.36 % 19.10 %	2.03 % 1.66 %
Entertainment	5077 5117	3911 4021	1056 996	110 100	77.03 % 78.58 %	20.80 % 19.46 %	2.17 % 1.95 %
Cosmetics & Beauty	4939 5089	3857 4029	987 972	95 88	78.09 % 79.17 %	19.98 % 19.10 %	1.92 % 1.73 %
Food & Drink	5041 5219	3880 4088	1060 1032	101 99	76.97 % 78.33 %	21.03 % 19.77 %	2.00 % 1.90 %
Home & Garden	4911 5097	3830 3967	976 1043	105 87	77.99 % 77.83 %	19.87 % 20.46 %	2.14 % 1.71 %
Finance	5187 4889	4202 4039	882 767	103 83	81.01 % 82.61 %	17.00 % 15.69 %	1.99 % 1.70 %
Health	4990 5007	4089 4094	799 815	102 98	81.94 % 81.77 %	16.01 % 16.28 %	2.04 % 1.96 %
Pets	5064 5079	3908 3986	1048 997	108 96	77.17 % 78.48 %	20.70 % 19.63 %	2.13 % 1.89 %
Sport & Fitness	4964 5129	3838 4018	1030 1026	96 85	77.32 % 78.34 %	20.75 % 20.00 %	1.93 % 1.66 %
Job & Career	4917 4829	3695 3719	1123 1023	99 87	75.15 % 77.01 %	22.84 % 21.18 %	2.01 % 1.80 %
Dating	4963 5015	3653 3706	1210 1222	100 87	73.60 % 73.90 %	24.38 % 24.37 %	2.01 % 1.73 %
Other	5019 5170	3994 4103	913 967	112 100	79.58 % 79.36 %	18.19 % 18.70 %	2.23 % 1.93 %

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	4490 4604	3294 3440	1111 1075	85 89	73.36 % 74.72 %	24.74 % 23.35 %	1.89 % 1.93 %
Outlook Mail	4554 4643	3450 3574	1009 991	95 78	75.76 % 76.98 %	22.16 % 21.34 %	2.09 % 1.68 %
Yahoo Mail	4733 4707	3613 3701	1022 928	98 78	76.34 % 78.63 %	21.59 % 19.72 %	2.07 % 1.66 %
AOL Mail	4753 4653	3652 3641	1003 925	98 87	76.84 % 78.25 %	21.10 % 19.88 %	2.06 % 1.87 %
Mail.com	4829 4650	3857 3705	871 864	101 81	79.87 % 79.68 %	18.04 % 18.58 %	2.09 % 1.74 %
Yandex Mail	4621 4836	3537 3761	990 989	94 86	76.54 % 77.77 %	21.42 % 20.45 %	2.03 % 1.78 %
GMX Mail	4662 4677	3517 3571	1045 1014	100 92	75.44 % 76.35 %	22.42 % 21.68 %	2.15 % 1.97 %
Zoho Mail	4636 4728	3676 3784	865 856	95 88	79.29 % 80.03 %	18.66 % 18.10 %	2.05 % 1.86 %
ProtonMail	4513 4850	3599 3897	831 864	83 89	79.75 % 80.35 %	18.41 % 17.81 %	1.84 % 1.84 %
Custom Mail	4622 4782	3768 3894	751 795	103 93	81.52 % 81.43 %	16.25 % 16.62 %	2.23 % 1.94 %
iCloud Mail	4550 4459	3366 3350	1091 1024	93 85	73.98 % 75.13 %	23.98 % 22.96 %	2.04 % 1.91 %
Tuta	4689 4547	3755 3678	835 803	99 66	80.08 % 80.89 %	17.81 % 17.66 %	2.11 % 1.45 %
Juno.com	4771 4758	3796 3840	880 831	95 87	79.56 % 80.71 %	18.44 % 17.47 %	1.99 % 1.83 %
Mailfence	4496 4834	3603 3892	804 855	89 87	80.14 % 80.51 %	17.88 % 17.69 %	1.98 % 1.80 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.