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
64.823 65.027	49.612 50.616	13.681 13.085	1.530 1.326

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 (%)
76.53 % 77.84 %	21.11 % 20.12 %	2.36 % 2.04 %

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	4967 4970	3819 3843	1044 1033	104 94	76.89 % 77.32 %	21.02 % 20.78 %	2.09 % 1.89 %
Elektronics	4857 4862	3760 3785	980 983	117 94	77.41 % 77.85 %	20.18 % 20.22 %	2.41 % 1.93 %
Entertainment	4771 4997	3618 3877	1040 1015	113 105	75.83 % 77.59 %	21.80 % 20.31 %	2.37 % 2.10 %
Cosmetics & Beauty	4820 4939	3701 3869	1006 976	113 94	76.78 % 78.34 %	20.87 % 19.76 %	2.34 % 1.90 %
Food & Drink	4984 5061	3807 3882	1055 1078	122 101	76.38 % 76.70 %	21.17 % 21.30 %	2.45 % 2.00 %
Home & Garden	5148 5067	3953 3946	1083 1012	112 109	76.79 % 77.88 %	21.04 % 19.97 %	2.18 % 2.15 %
Finance	4877 5190	3936 4199	824 884	117 107	80.71 % 80.91 %	16.90 % 17.03 %	2.40 % 2.06 %
Health	4966 4964	3934 4038	915 818	117 108	79.22 % 81.35 %	18.43 % 16.48 %	2.36 % 2.18 %
Pets	5194 5115	3913 3960	1153 1051	128 104	75.34 % 77.42 %	22.20 % 20.55 %	2.46 % 2.03 %
Sport & Fitness	5132 4997	3914 3891	1088 1008	130 98	76.27 % 77.87 %	21.20 % 20.17 %	2.53 % 1.96 %
Job & Career	4862 4970	3595 3720	1152 1149	115 101	73.94 % 74.85 %	23.69 % 23.12 %	2.37 % 2.03 %
Dating	5050 4915	3652 3632	1280 1185	118 98	72.32 % 73.90 %	25.35 % 24.11 %	2.34 % 1.99 %
Other	5195 4980	4010 3974	1061 893	124 113	77.19 % 79.80 %	20.42 % 17.93 %	2.39 % 2.27 %

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	4496 4525	3284 3346	1109 1094	103 85	73.04 % 73.94 %	24.67 % 24.18 %	2.29 % 1.88 %
Outlook Mail	4640 4546	3442 3464	1082 993	116 89	74.18 % 76.20 %	23.32 % 21.84 %	2.50 % 1.96 %
Yahoo Mail	4702 4730	3545 3610	1045 1018	112 102	75.39 % 76.32 %	22.22 % 21.52 %	2.38 % 2.16 %
AOL Mail	4529 4744	3443 3664	987 980	99 100	76.02 % 77.23 %	21.79 % 20.66 %	2.19 % 2.11 %
Mail.com	4597 4897	3574 3912	916 888	107 97	77.75 % 79.89 %	19.93 % 18.13 %	2.33 % 1.98 %
Yandex Mail	4806 4667	3627 3569	1063 1003	116 95	75.47 % 76.47 %	22.12 % 21.49 %	2.41 % 2.04 %
GMX Mail	4404 4666	3284 3499	1016 1066	104 101	74.57 % 74.99 %	23.07 % 22.85 %	2.36 % 2.16 %
Zoho Mail	4758 4684	3712 3686	927 906	119 92	78.02 % 78.69 %	19.48 % 19.34 %	2.50 % 1.96 %
ProtonMail	4614 4568	3641 3673	870 810	103 85	78.91 % 80.41 %	18.86 % 17.73 %	2.23 % 1.86 %
Custom Mail	4551 4630	3632 3781	820 744	99 105	79.81 % 81.66 %	18.02 % 16.07 %	2.18 % 2.27 %
iCloud Mail	4634 4587	3330 3396	1190 1093	114 98	71.86 % 74.04 %	25.68 % 23.83 %	2.46 % 2.14 %
Tuta	4650 4684	3645 3760	897 826	108 98	78.39 % 80.27 %	19.29 % 17.63 %	2.32 % 2.09 %
Juno.com	4689 4737	3684 3776	883 866	122 95	78.57 % 79.71 %	18.83 % 18.28 %	2.60 % 2.01 %
Mailfence	4753 4362	3769 3480	876 798	108 84	79.30 % 79.78 %	18.43 % 18.29 %	2.27 % 1.93 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.