Postmark and Mailgun Email Deliverability Comparison

Postmark

Mailgun

In this comparison, the deliverability of Postmark and Mailgun 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
65.137 64.943	50.600 50.213	13.149 13.299	1.388 1.431

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 (%)
77.68 % 77.32 %	20.19 % 20.48 %	2.13 % 2.20 %

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

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

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.