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
65.051 65.170	49.710 50.776	13.808 13.059	1.533 1.335

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

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

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

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.