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
64.943 65.137	50.213 50.600	13.299 13.149	1.431 1.388

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 (%)
77.32 % 77.68 %	20.48 % 20.19 %	2.20 % 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, Postmark is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	4988 5071	3830 3914	1056 1056	102 101	76.78 % 77.18 %	21.17 % 20.82 %	2.04 % 1.99 %
Elektronics	4810 4882	3757 3796	951 979	102 107	78.11 % 77.76 %	19.77 % 20.05 %	2.12 % 2.19 %
Entertainment	4867 4910	3720 3793	1043 1011	104 106	76.43 % 77.25 %	21.43 % 20.59 %	2.14 % 2.16 %
Cosmetics & Beauty	4702 5043	3634 3928	960 1011	108 104	77.29 % 77.89 %	20.42 % 20.05 %	2.30 % 2.06 %
Food & Drink	4946 5038	3838 3866	999 1075	109 97	77.60 % 76.74 %	20.20 % 21.34 %	2.20 % 1.93 %
Home & Garden	5165 5083	4008 3928	1049 1044	108 111	77.60 % 77.28 %	20.31 % 20.54 %	2.09 % 2.18 %
Finance	4945 5308	4009 4312	821 881	115 115	81.07 % 81.24 %	16.60 % 16.60 %	2.33 % 2.17 %
Health	5011 5000	4045 4060	860 830	106 110	80.72 % 81.20 %	17.16 % 16.60 %	2.12 % 2.20 %
Pets	5249 5137	4011 3965	1122 1063	116 109	76.41 % 77.19 %	21.38 % 20.69 %	2.21 % 2.12 %
Sport & Fitness	4961 4944	3798 3845	1044 997	119 102	76.56 % 77.77 %	21.04 % 20.17 %	2.40 % 2.06 %
Job & Career	5017 4922	3788 3676	1114 1142	115 104	75.50 % 74.69 %	22.20 % 23.20 %	2.29 % 2.11 %
Dating	5171 4871	3792 3605	1263 1165	116 101	73.33 % 74.01 %	24.42 % 23.92 %	2.24 % 2.07 %
Other	5111 4928	3983 3912	1017 895	111 121	77.93 % 79.38 %	19.90 % 18.16 %	2.17 % 2.46 %

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	4486 4479	3320 3323	1070 1062	96 94	74.01 % 74.19 %	23.85 % 23.71 %	2.14 % 2.10 %
Outlook Mail	4590 4531	3482 3444	1006 991	102 96	75.86 % 76.01 %	21.92 % 21.87 %	2.22 % 2.12 %
Yahoo Mail	4804 4597	3675 3508	1029 991	100 98	76.50 % 76.31 %	21.42 % 21.56 %	2.08 % 2.13 %
AOL Mail	4521 4857	3468 3756	949 996	104 105	76.71 % 77.33 %	20.99 % 20.51 %	2.30 % 2.16 %
Mail.com	4696 4956	3687 3934	906 923	103 99	78.51 % 79.38 %	19.29 % 18.62 %	2.19 % 2.00 %
Yandex Mail	4875 4687	3719 3562	1047 1019	109 106	76.29 % 76.00 %	21.48 % 21.74 %	2.24 % 2.26 %
GMX Mail	4452 4506	3376 3390	977 1018	99 98	75.83 % 75.23 %	21.95 % 22.59 %	2.22 % 2.17 %
Zoho Mail	4689 4645	3696 3625	887 924	106 96	78.82 % 78.04 %	18.92 % 19.89 %	2.26 % 2.07 %
ProtonMail	4614 4620	3664 3706	850 824	100 90	79.41 % 80.22 %	18.42 % 17.84 %	2.17 % 1.95 %
Custom Mail	4463 4614	3580 3728	790 781	93 105	80.22 % 80.80 %	17.70 % 16.93 %	2.08 % 2.28 %
iCloud Mail	4618 4518	3339 3365	1177 1052	102 101	72.30 % 74.48 %	25.49 % 23.28 %	2.21 % 2.24 %
Tuta	4732 4771	3725 3807	903 863	104 101	78.72 % 79.79 %	19.08 % 18.09 %	2.20 % 2.12 %
Juno.com	4718 4871	3738 3869	866 892	114 110	79.23 % 79.43 %	18.36 % 18.31 %	2.42 % 2.26 %
Mailfence	4685 4485	3744 3583	842 813	99 89	79.91 % 79.89 %	17.97 % 18.13 %	2.11 % 1.98 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.