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
76.798 76.697	59.444 59.560	15.641 15.507	1.713 1.630

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 (%)
77.40 % 77.66 %	20.37 % 20.22 %	2.23 % 2.13 %

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	6023 6023	4621 4622	1271 1282	131 119	76.72 % 76.74 %	21.10 % 21.29 %	2.17 % 1.98 %
Elektronics	5836 5602	4530 4407	1176 1073	130 122	77.62 % 78.67 %	20.15 % 19.15 %	2.23 % 2.18 %
Entertainment	5800 5854	4456 4503	1225 1221	119 130	76.83 % 76.92 %	21.12 % 20.86 %	2.05 % 2.22 %
Cosmetics & Beauty	5908 6129	4597 4777	1184 1217	127 135	77.81 % 77.94 %	20.04 % 19.86 %	2.15 % 2.20 %
Food & Drink	5933 6135	4555 4757	1256 1246	122 132	76.77 % 77.54 %	21.17 % 20.31 %	2.06 % 2.15 %
Home & Garden	6024 5677	4641 4352	1249 1202	134 123	77.04 % 76.66 %	20.73 % 21.17 %	2.22 % 2.17 %
Finance	6100 5859	4945 4760	1013 978	142 121	81.07 % 81.24 %	16.61 % 16.69 %	2.33 % 2.07 %
Health	6121 5838	4955 4722	1027 981	139 135	80.95 % 80.88 %	16.78 % 16.80 %	2.27 % 2.31 %
Pets	6016 5935	4606 4586	1275 1223	135 126	76.56 % 77.27 %	21.19 % 20.61 %	2.24 % 2.12 %
Sport & Fitness	5696 6101	4426 4734	1145 1243	125 124	77.70 % 77.59 %	20.10 % 20.37 %	2.19 % 2.03 %
Job & Career	5828 5798	4344 4356	1351 1325	133 117	74.54 % 75.13 %	23.18 % 22.85 %	2.28 % 2.02 %
Dating	5816 5872	4275 4318	1409 1436	132 118	73.50 % 73.54 %	24.23 % 24.46 %	2.27 % 2.01 %
Other	5697 5874	4493 4666	1060 1080	144 128	78.87 % 79.43 %	18.61 % 18.39 %	2.53 % 2.18 %

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	5291 5400	3899 3950	1274 1336	118 114	73.69 % 73.15 %	24.08 % 24.74 %	2.23 % 2.11 %
Outlook Mail	5439 5544	4102 4213	1216 1212	121 119	75.42 % 75.99 %	22.36 % 21.86 %	2.22 % 2.15 %
Yahoo Mail	5571 5631	4230 4323	1222 1193	119 115	75.93 % 76.77 %	21.94 % 21.19 %	2.14 % 2.04 %
AOL Mail	5502 5509	4233 4257	1137 1146	132 106	76.94 % 77.27 %	20.67 % 20.80 %	2.40 % 1.92 %
Mail.com	5715 5440	4517 4293	1074 1042	124 105	79.04 % 78.92 %	18.79 % 19.15 %	2.17 % 1.93 %
Yandex Mail	5557 5303	4241 4078	1193 1109	123 116	76.32 % 76.90 %	21.47 % 20.91 %	2.21 % 2.19 %
GMX Mail	5337 5477	4004 4121	1212 1227	121 129	75.02 % 75.24 %	22.71 % 22.40 %	2.27 % 2.36 %
Zoho Mail	5427 5434	4225 4317	1085 993	117 124	77.85 % 79.44 %	19.99 % 18.27 %	2.16 % 2.28 %
ProtonMail	5458 5445	4373 4352	975 975	110 118	80.12 % 79.93 %	17.86 % 17.91 %	2.02 % 2.17 %
Custom Mail	5333 5547	4300 4451	914 983	119 113	80.63 % 80.24 %	17.14 % 17.72 %	2.23 % 2.04 %
iCloud Mail	5380 5449	3973 4022	1279 1310	128 117	73.85 % 73.81 %	23.77 % 24.04 %	2.38 % 2.15 %
Tuta	5717 5337	4544 4265	1046 972	127 100	79.48 % 79.91 %	18.30 % 18.21 %	2.22 % 1.87 %
Juno.com	5712 5444	4540 4328	1033 994	139 122	79.48 % 79.50 %	18.08 % 18.26 %	2.43 % 2.24 %
Mailfence	5359 5737	4263 4590	981 1015	115 132	79.55 % 80.01 %	18.31 % 17.69 %	2.15 % 2.30 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.