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
63.999 63.445	49.508 50.822	13.525 11.778	1.496 1.354

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 (%)
77.36 % 80.10 %	21.13 % 18.56 %	2.34 % 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	5051 4784	3954 3827	1018 896	113 102	78.28 % 80.00 %	20.15 % 18.73 %	2.24 % 2.13 %
Elektronics	5044 4743	3932 3808	1037 875	130 101	77.95 % 80.29 %	20.56 % 18.45 %	2.58 % 2.13 %
Entertainment	4979 5083	3850 4042	1060 963	114 120	77.32 % 79.52 %	21.29 % 18.95 %	2.29 % 2.36 %
Cosmetics & Beauty	4990 4728	3870 3806	1021 876	115 96	77.56 % 80.50 %	20.46 % 18.53 %	2.30 % 2.03 %
Food & Drink	4820 4798	3750 3836	1007 913	115 93	77.80 % 79.95 %	20.89 % 19.03 %	2.39 % 1.94 %
Home & Garden	4971 4796	3832 3857	1069 863	112 104	77.09 % 80.42 %	21.50 % 17.99 %	2.25 % 2.17 %
Finance	4885 4978	3928 4085	915 845	114 103	80.41 % 82.06 %	18.73 % 16.97 %	2.33 % 2.07 %
Health	4897 4709	3866 3895	948 721	109 98	78.95 % 82.71 %	19.36 % 15.31 %	2.23 % 2.08 %
Pets	4883 4983	3717 3962	1085 938	116 113	76.12 % 79.51 %	22.22 % 18.82 %	2.38 % 2.27 %
Sport & Fitness	4858 5096	3731 4048	1040 976	120 108	76.80 % 79.43 %	21.41 % 19.15 %	2.47 % 2.12 %
Job & Career	4694 4854	3523 3814	1090 983	106 101	75.05 % 78.57 %	23.22 % 20.25 %	2.26 % 2.08 %
Dating	4718 4857	3480 3741	1156 1049	112 103	73.76 % 77.02 %	24.50 % 21.60 %	2.37 % 2.12 %
Other	5209 5036	4075 4101	1079 880	120 112	78.23 % 81.43 %	20.71 % 17.47 %	2.30 % 2.22 %

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	4749 4638	3539 3591	1123 1000	114 93	74.52 % 77.43 %	23.65 % 21.56 %	2.40 % 2.01 %
Outlook Mail	4801 4562	3655 3585	1057 909	116 101	76.13 % 78.58 %	22.02 % 19.93 %	2.42 % 2.21 %
Yahoo Mail	4664 4625	3558 3657	1011 908	106 101	76.29 % 79.07 %	21.68 % 19.63 %	2.27 % 2.18 %
AOL Mail	4512 4633	3477 3688	958 873	105 95	77.06 % 79.60 %	21.23 % 18.84 %	2.33 % 2.05 %
Mail.com	4477 4620	3516 3772	887 766	107 97	78.53 % 81.65 %	19.81 % 16.58 %	2.39 % 2.10 %
Yandex Mail	4816 4706	3693 3758	1054 882	107 101	76.68 % 79.86 %	21.89 % 18.74 %	2.22 % 2.15 %
GMX Mail	4582 4690	3495 3679	1042 928	109 111	76.28 % 78.44 %	22.74 % 19.79 %	2.38 % 2.37 %
Zoho Mail	4636 4704	3606 3835	969 817	115 99	77.78 % 81.53 %	20.90 % 17.37 %	2.48 % 2.10 %
ProtonMail	4685 4536	3681 3702	940 801	106 94	78.57 % 81.61 %	20.06 % 17.66 %	2.26 % 2.07 %
Custom Mail	4758 4667	3782 3866	895 748	100 103	79.49 % 82.84 %	18.81 % 16.03 %	2.10 % 2.21 %
iCloud Mail	4667 4614	3484 3582	1136 966	111 99	74.65 % 77.63 %	24.34 % 20.94 %	2.38 % 2.15 %
Tuta	4667 4645	3699 3785	929 801	112 99	79.26 % 81.49 %	19.91 % 17.24 %	2.40 % 2.13 %
Juno.com	4673 4779	3679 3901	927 834	117 101	78.73 % 81.63 %	19.84 % 17.45 %	2.50 % 2.11 %
Mailfence	3312 3026	2644 2421	597 545	71 60	79.83 % 80.01 %	18.03 % 18.01 %	2.14 % 1.98 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.