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
64.615 63.961	49.541 50.217	13.785 12.619	1.579 1.413

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 (%)
76.67 % 78.51 %	21.33 % 19.73 %	2.44 % 2.21 %

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	5018 4804	3908 3757	1019 971	110 105	77.88 % 78.21 %	20.31 % 20.21 %	2.19 % 2.19 %
Elektronics	5054 4766	3920 3746	1033 946	132 106	77.56 % 78.60 %	20.44 % 19.85 %	2.61 % 2.22 %
Entertainment	4913 5025	3747 3920	1071 1009	122 117	76.27 % 78.01 %	21.80 % 20.08 %	2.48 % 2.33 %
Cosmetics & Beauty	4934 4806	3795 3784	1024 947	120 99	76.92 % 78.73 %	20.75 % 19.70 %	2.43 % 2.06 %
Food & Drink	4824 4939	3719 3846	1010 1009	117 104	77.09 % 77.87 %	20.94 % 20.43 %	2.43 % 2.11 %
Home & Garden	5089 4853	3914 3813	1091 939	120 111	76.91 % 78.57 %	21.44 % 19.35 %	2.36 % 2.29 %
Finance	5008 5124	4014 4152	912 892	125 110	80.15 % 81.03 %	18.21 % 17.41 %	2.50 % 2.15 %
Health	4944 4903	3899 4012	953 783	118 108	78.86 % 81.83 %	19.28 % 15.97 %	2.39 % 2.20 %
Pets	4996 4994	3764 3887	1123 1004	127 115	75.34 % 77.83 %	22.48 % 20.10 %	2.54 % 2.30 %
Sport & Fitness	4986 4948	3777 3871	1088 997	128 106	75.75 % 78.23 %	21.82 % 20.15 %	2.57 % 2.14 %
Job & Career	4807 4860	3565 3703	1142 1080	115 109	74.16 % 76.19 %	23.76 % 22.22 %	2.39 % 2.24 %
Dating	4864 4816	3522 3616	1233 1124	121 106	72.41 % 75.08 %	25.35 % 23.34 %	2.49 % 2.20 %
Other	5178 5123	3997 4110	1086 918	124 117	77.19 % 80.23 %	20.97 % 17.92 %	2.39 % 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	4746 4572	3504 3436	1141 1061	114 95	73.83 % 75.15 %	24.04 % 23.21 %	2.40 % 2.08 %
Outlook Mail	4765 4560	3571 3490	1097 972	123 105	74.94 % 76.54 %	23.02 % 21.32 %	2.58 % 2.30 %
Yahoo Mail	4672 4647	3514 3595	1036 968	114 104	75.21 % 77.36 %	22.17 % 20.83 %	2.44 % 2.24 %
AOL Mail	4455 4668	3409 3635	960 949	105 100	76.52 % 77.87 %	21.55 % 20.33 %	2.36 % 2.14 %
Mail.com	4524 4676	3511 3755	911 833	116 103	77.61 % 80.30 %	20.14 % 17.81 %	2.56 % 2.20 %
Yandex Mail	4871 4591	3709 3565	1075 944	114 102	76.14 % 77.65 %	22.07 % 20.56 %	2.34 % 2.22 %
GMX Mail	4538 4634	3415 3552	1046 994	115 110	75.25 % 76.65 %	23.05 % 21.45 %	2.53 % 2.37 %
Zoho Mail	4621 4714	3595 3774	945 866	120 102	77.80 % 80.06 %	20.45 % 18.37 %	2.60 % 2.16 %
ProtonMail	4697 4452	3679 3567	926 824	110 93	78.33 % 80.12 %	19.71 % 18.51 %	2.34 % 2.09 %
Custom Mail	4723 4631	3755 3783	877 756	103 108	79.50 % 81.69 %	18.57 % 16.32 %	2.18 % 2.33 %
iCloud Mail	4663 4587	3394 3469	1198 1035	117 102	72.79 % 75.63 %	25.69 % 22.56 %	2.51 % 2.22 %
Tuta	4639 4657	3646 3750	904 833	113 106	78.59 % 80.52 %	19.49 % 17.89 %	2.44 % 2.28 %
Juno.com	4641 4828	3630 3877	909 887	124 105	78.22 % 80.30 %	19.59 % 18.37 %	2.67 % 2.17 %
Mailfence	4060 3744	3209 2969	760 697	91 78	79.04 % 79.30 %	18.72 % 18.62 %	2.24 % 2.08 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.