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
65.170 65.051	50.776 49.710	13.059 13.808	1.335 1.533

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 (%)
77.91 % 76.42 %	20.04 % 21.23 %	2.05 % 2.36 %

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	5054 4950	3909 3776	1048 1063	97 111	77.34 % 76.28 %	20.74 % 21.47 %	1.92 % 2.24 %
Elektronics	4865 4824	3784 3726	983 990	98 108	77.78 % 77.24 %	20.21 % 20.52 %	2.01 % 2.24 %
Entertainment	4883 4763	3811 3599	967 1056	105 108	78.05 % 75.56 %	19.80 % 22.17 %	2.15 % 2.27 %
Cosmetics & Beauty	5003 4814	3922 3667	985 1032	96 115	78.39 % 76.17 %	19.69 % 21.44 %	1.92 % 2.39 %
Food & Drink	5094 5041	3918 3858	1077 1063	99 120	76.91 % 76.53 %	21.14 % 21.09 %	1.94 % 2.38 %
Home & Garden	5052 5187	3925 3979	1016 1094	111 114	77.69 % 76.71 %	20.11 % 21.09 %	2.20 % 2.20 %
Finance	5254 4952	4268 3994	882 838	104 120	81.23 % 80.65 %	16.79 % 16.92 %	1.98 % 2.42 %
Health	4946 4979	4022 3962	816 905	108 112	81.32 % 79.57 %	16.50 % 18.18 %	2.18 % 2.25 %
Pets	5085 5199	3940 3914	1041 1160	104 125	77.48 % 75.28 %	20.47 % 22.31 %	2.05 % 2.40 %
Sport & Fitness	5081 5194	3966 3934	1018 1125	97 135	78.06 % 75.74 %	20.04 % 21.66 %	1.91 % 2.60 %
Job & Career	4957 4953	3705 3664	1146 1169	106 120	74.74 % 73.98 %	23.12 % 23.60 %	2.14 % 2.42 %
Dating	4950 5055	3655 3666	1198 1266	97 123	73.84 % 72.52 %	24.20 % 25.04 %	1.96 % 2.43 %
Other	4946 5140	3951 3971	882 1047	113 122	79.88 % 77.26 %	17.83 % 20.37 %	2.28 % 2.37 %

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	4513 4581	3341 3340	1083 1135	89 106	74.03 % 72.91 %	24.00 % 24.78 %	1.97 % 2.31 %
Outlook Mail	4625 4667	3521 3480	1012 1076	92 111	76.13 % 74.57 %	21.88 % 23.06 %	1.99 % 2.38 %
Yahoo Mail	4521 4748	3465 3582	960 1059	96 107	76.64 % 75.44 %	21.23 % 22.30 %	2.12 % 2.25 %
AOL Mail	4776 4543	3694 3434	980 1001	102 108	77.35 % 75.59 %	20.52 % 22.03 %	2.14 % 2.38 %
Mail.com	4943 4701	3946 3659	900 930	97 112	79.83 % 77.83 %	18.21 % 19.78 %	1.96 % 2.38 %
Yandex Mail	4742 4869	3626 3670	1017 1084	99 115	76.47 % 75.37 %	21.45 % 22.26 %	2.09 % 2.36 %
GMX Mail	4579 4425	3454 3314	1030 1004	95 107	75.43 % 74.89 %	22.49 % 22.69 %	2.07 % 2.42 %
Zoho Mail	4664 4663	3665 3641	905 908	94 114	78.58 % 78.08 %	19.40 % 19.47 %	2.02 % 2.44 %
ProtonMail	4584 4623	3702 3633	793 884	89 106	80.76 % 78.59 %	17.30 % 19.12 %	1.94 % 2.29 %
Custom Mail	4579 4532	3710 3602	766 829	103 101	81.02 % 79.48 %	16.73 % 18.29 %	2.25 % 2.23 %
iCloud Mail	4644 4593	3451 3292	1095 1193	98 108	74.31 % 71.67 %	23.58 % 25.97 %	2.11 % 2.35 %
Tuta	4740 4719	3800 3680	842 926	98 113	80.17 % 77.98 %	17.76 % 19.62 %	2.07 % 2.39 %
Juno.com	4891 4737	3897 3718	893 898	101 121	79.68 % 78.49 %	18.26 % 18.96 %	2.07 % 2.55 %
Mailfence	4369 4650	3504 3665	783 881	82 104	80.20 % 78.82 %	17.92 % 18.95 %	1.88 % 2.24 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.