Mailgun and Postmark Email Deliverability Comparison

Mailgun

Postmark

In this comparison, the deliverability of Mailgun and Postmark 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
75.674 76.208	58.172 59.446	15.752 15.216	1.750 1.546

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 (%)
76.87 % 78.00 %	20.82 % 19.97 %	2.31 % 2.03 %

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

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

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.