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
65.108 64.919	50.027 50.483	13.594 13.108	1.487 1.328

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 (%)
76.84 % 77.76 %	20.88 % 20.19 %	2.28 % 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	5003 4961	3890 3834	1011 1029	102 98	77.75 % 77.28 %	20.21 % 20.74 %	2.04 % 1.98 %
Elektronics	4994 4886	3875 3792	998 995	121 99	77.59 % 77.61 %	19.98 % 20.36 %	2.42 % 2.03 %
Entertainment	4888 5077	3723 3911	1050 1056	115 110	76.17 % 77.03 %	21.48 % 20.80 %	2.35 % 2.17 %
Cosmetics & Beauty	4954 4939	3827 3857	1017 987	110 95	77.25 % 78.09 %	20.53 % 19.98 %	2.22 % 1.92 %
Food & Drink	4881 5041	3760 3880	1006 1060	115 101	77.03 % 76.97 %	20.61 % 21.03 %	2.36 % 2.00 %
Home & Garden	5164 4911	3981 3830	1073 976	110 105	77.09 % 77.99 %	20.78 % 19.87 %	2.13 % 2.14 %
Finance	5006 5187	4057 4202	832 882	117 103	81.04 % 81.01 %	16.62 % 17.00 %	2.34 % 1.99 %
Health	4959 4990	3945 4089	900 799	114 102	79.55 % 81.94 %	18.15 % 16.01 %	2.30 % 2.04 %
Pets	5179 5064	3911 3908	1143 1048	125 108	75.52 % 77.17 %	22.07 % 20.70 %	2.41 % 2.13 %
Sport & Fitness	5062 4964	3851 3838	1090 1030	121 96	76.08 % 77.32 %	21.53 % 20.75 %	2.39 % 1.93 %
Job & Career	4784 4917	3538 3695	1140 1123	106 99	73.95 % 75.15 %	23.83 % 22.84 %	2.22 % 2.01 %
Dating	5029 4963	3637 3653	1277 1210	115 100	72.32 % 73.60 %	25.39 % 24.38 %	2.29 % 2.01 %
Other	5205 5019	4032 3994	1057 913	116 112	77.46 % 79.58 %	20.31 % 18.19 %	2.23 % 2.23 %

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	4665 4490	3427 3294	1133 1111	105 85	73.46 % 73.36 %	24.29 % 24.74 %	2.25 % 1.89 %
Outlook Mail	4729 4554	3527 3450	1091 1009	111 95	74.58 % 75.76 %	23.07 % 22.16 %	2.35 % 2.09 %
Yahoo Mail	4699 4733	3550 3613	1040 1022	109 98	75.55 % 76.34 %	22.13 % 21.59 %	2.32 % 2.07 %
AOL Mail	4477 4753	3422 3652	957 1003	98 98	76.44 % 76.84 %	21.38 % 21.10 %	2.19 % 2.06 %
Mail.com	4529 4829	3538 3857	885 871	106 101	78.12 % 79.87 %	19.54 % 18.04 %	2.34 % 2.09 %
Yandex Mail	4855 4621	3696 3537	1053 990	106 94	76.13 % 76.54 %	21.69 % 21.42 %	2.18 % 2.03 %
GMX Mail	4457 4662	3340 3517	1013 1045	104 100	74.94 % 75.44 %	22.73 % 22.42 %	2.33 % 2.15 %
Zoho Mail	4671 4636	3647 3676	908 865	116 95	78.08 % 79.29 %	19.44 % 18.66 %	2.48 % 2.05 %
ProtonMail	4629 4513	3643 3599	884 831	102 83	78.70 % 79.75 %	19.10 % 18.41 %	2.20 % 1.84 %
Custom Mail	4605 4622	3699 3768	812 751	94 103	80.33 % 81.52 %	17.63 % 16.25 %	2.04 % 2.23 %
iCloud Mail	4625 4550	3333 3366	1183 1091	109 93	72.06 % 73.98 %	25.58 % 23.98 %	2.36 % 2.04 %
Tuta	4627 4689	3649 3755	872 835	106 99	78.86 % 80.08 %	18.85 % 17.81 %	2.29 % 2.11 %
Juno.com	4702 4771	3704 3796	880 880	118 95	78.77 % 79.56 %	18.72 % 18.44 %	2.51 % 1.99 %
Mailfence	4838 4496	3852 3603	883 804	103 89	79.62 % 80.14 %	18.25 % 17.88 %	2.13 % 1.98 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.