Postmark and Mailgun Email Deliverability Comparison

Postmark

Mailgun

In this comparison, the deliverability of Postmark and Mailgun 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 Mailgun.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
76.208 75.674	59.446 58.172	15.216 15.752	1.546 1.750

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 Mailgun in this comparison.

Inbox (%)	Spam (%)	Lost (%)
78.00 % 76.87 %	19.97 % 20.82 %	2.03 % 2.31 %

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	5962 5807	4609 4432	1237 1249	116 126	77.31 % 76.32 %	20.75 % 21.51 %	1.95 % 2.17 %
Elektronics	5746 5609	4487 4350	1135 1135	124 124	78.09 % 77.55 %	19.75 % 20.24 %	2.16 % 2.21 %
Entertainment	5767 5693	4475 4321	1177 1238	115 134	77.60 % 75.90 %	20.41 % 21.75 %	1.99 % 2.35 %
Cosmetics & Beauty	5867 5442	4599 4193	1151 1123	117 126	78.39 % 77.05 %	19.62 % 20.64 %	1.99 % 2.32 %
Food & Drink	5848 5827	4519 4468	1222 1220	107 139	77.27 % 76.68 %	20.90 % 20.94 %	1.83 % 2.39 %
Home & Garden	5964 6002	4638 4637	1204 1232	122 133	77.77 % 77.26 %	20.19 % 20.53 %	2.05 % 2.22 %
Finance	6130 5689	4988 4586	1017 968	125 135	81.37 % 80.61 %	16.59 % 17.02 %	2.04 % 2.37 %
Health	5936 5901	4850 4740	963 1029	123 132	81.70 % 80.33 %	16.22 % 17.44 %	2.07 % 2.24 %
Pets	6013 6106	4653 4646	1238 1322	122 138	77.38 % 76.09 %	20.59 % 21.65 %	2.03 % 2.26 %
Sport & Fitness	5783 5766	4507 4387	1161 1235	115 144	77.94 % 76.08 %	20.08 % 21.42 %	1.99 % 2.50 %
Job & Career	5694 5894	4272 4429	1306 1326	116 139	75.03 % 75.14 %	22.94 % 22.50 %	2.04 % 2.36 %
Dating	5757 5917	4271 4302	1375 1476	111 139	74.19 % 72.71 %	23.88 % 24.95 %	1.93 % 2.35 %
Other	5741 6021	4578 4681	1030 1199	133 141	79.74 % 77.74 %	17.94 % 19.91 %	2.32 % 2.34 %

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 Mailgun.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	5221 5225	3883 3843	1236 1261	102 121	74.37 % 73.55 %	23.67 % 24.13 %	1.95 % 2.32 %
Outlook Mail	5281 5372	4016 4050	1158 1197	107 125	76.05 % 75.39 %	21.93 % 22.28 %	2.03 % 2.33 %
Yahoo Mail	5483 5614	4202 4270	1170 1223	111 121	76.64 % 76.06 %	21.34 % 21.78 %	2.02 % 2.16 %
AOL Mail	5582 5264	4329 4012	1136 1129	117 123	77.55 % 76.22 %	20.35 % 21.45 %	2.10 % 2.34 %
Mail.com	5748 5427	4587 4242	1051 1064	110 121	79.80 % 78.16 %	18.28 % 19.61 %	1.91 % 2.23 %
Yandex Mail	5529 5673	4238 4290	1173 1249	118 134	76.65 % 75.62 %	21.22 % 22.02 %	2.13 % 2.36 %
GMX Mail	5207 5269	3936 3982	1164 1162	107 125	75.59 % 75.57 %	22.35 % 22.05 %	2.05 % 2.37 %
Zoho Mail	5432 5447	4256 4246	1070 1069	106 132	78.35 % 77.95 %	19.70 % 19.63 %	1.95 % 2.42 %
ProtonMail	5417 5379	4360 4253	958 1002	99 124	80.49 % 79.07 %	17.69 % 18.63 %	1.83 % 2.31 %
Custom Mail	5335 5254	4329 4185	889 952	117 117	81.14 % 79.65 %	16.66 % 18.12 %	2.19 % 2.23 %
iCloud Mail	5272 5489	3941 3954	1219 1408	112 127	74.75 % 72.03 %	23.12 % 25.65 %	2.12 % 2.31 %
Tuta	5623 5433	4510 4263	999 1045	114 125	80.21 % 78.46 %	17.77 % 19.23 %	2.03 % 2.30 %
Juno.com	5731 5454	4578 4307	1029 1009	124 138	79.88 % 78.97 %	17.95 % 18.50 %	2.16 % 2.53 %
Mailfence	5347 5374	4281 4275	964 982	102 117	80.06 % 79.55 %	18.03 % 18.27 %	1.91 % 2.18 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.