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
64.919 65.108	50.483 50.027	13.108 13.594	1.328 1.487

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 (%)
77.76 % 76.84 %	20.19 % 20.88 %	2.05 % 2.28 %

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	4961 5003	3834 3890	1029 1011	98 102	77.28 % 77.75 %	20.74 % 20.21 %	1.98 % 2.04 %
Elektronics	4886 4994	3792 3875	995 998	99 121	77.61 % 77.59 %	20.36 % 19.98 %	2.03 % 2.42 %
Entertainment	5077 4888	3911 3723	1056 1050	110 115	77.03 % 76.17 %	20.80 % 21.48 %	2.17 % 2.35 %
Cosmetics & Beauty	4939 4954	3857 3827	987 1017	95 110	78.09 % 77.25 %	19.98 % 20.53 %	1.92 % 2.22 %
Food & Drink	5041 4881	3880 3760	1060 1006	101 115	76.97 % 77.03 %	21.03 % 20.61 %	2.00 % 2.36 %
Home & Garden	4911 5164	3830 3981	976 1073	105 110	77.99 % 77.09 %	19.87 % 20.78 %	2.14 % 2.13 %
Finance	5187 5006	4202 4057	882 832	103 117	81.01 % 81.04 %	17.00 % 16.62 %	1.99 % 2.34 %
Health	4990 4959	4089 3945	799 900	102 114	81.94 % 79.55 %	16.01 % 18.15 %	2.04 % 2.30 %
Pets	5064 5179	3908 3911	1048 1143	108 125	77.17 % 75.52 %	20.70 % 22.07 %	2.13 % 2.41 %
Sport & Fitness	4964 5062	3838 3851	1030 1090	96 121	77.32 % 76.08 %	20.75 % 21.53 %	1.93 % 2.39 %
Job & Career	4917 4784	3695 3538	1123 1140	99 106	75.15 % 73.95 %	22.84 % 23.83 %	2.01 % 2.22 %
Dating	4963 5029	3653 3637	1210 1277	100 115	73.60 % 72.32 %	24.38 % 25.39 %	2.01 % 2.29 %
Other	5019 5205	3994 4032	913 1057	112 116	79.58 % 77.46 %	18.19 % 20.31 %	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	4490 4665	3294 3427	1111 1133	85 105	73.36 % 73.46 %	24.74 % 24.29 %	1.89 % 2.25 %
Outlook Mail	4554 4729	3450 3527	1009 1091	95 111	75.76 % 74.58 %	22.16 % 23.07 %	2.09 % 2.35 %
Yahoo Mail	4733 4699	3613 3550	1022 1040	98 109	76.34 % 75.55 %	21.59 % 22.13 %	2.07 % 2.32 %
AOL Mail	4753 4477	3652 3422	1003 957	98 98	76.84 % 76.44 %	21.10 % 21.38 %	2.06 % 2.19 %
Mail.com	4829 4529	3857 3538	871 885	101 106	79.87 % 78.12 %	18.04 % 19.54 %	2.09 % 2.34 %
Yandex Mail	4621 4855	3537 3696	990 1053	94 106	76.54 % 76.13 %	21.42 % 21.69 %	2.03 % 2.18 %
GMX Mail	4662 4457	3517 3340	1045 1013	100 104	75.44 % 74.94 %	22.42 % 22.73 %	2.15 % 2.33 %
Zoho Mail	4636 4671	3676 3647	865 908	95 116	79.29 % 78.08 %	18.66 % 19.44 %	2.05 % 2.48 %
ProtonMail	4513 4629	3599 3643	831 884	83 102	79.75 % 78.70 %	18.41 % 19.10 %	1.84 % 2.20 %
Custom Mail	4622 4605	3768 3699	751 812	103 94	81.52 % 80.33 %	16.25 % 17.63 %	2.23 % 2.04 %
iCloud Mail	4550 4625	3366 3333	1091 1183	93 109	73.98 % 72.06 %	23.98 % 25.58 %	2.04 % 2.36 %
Tuta	4689 4627	3755 3649	835 872	99 106	80.08 % 78.86 %	17.81 % 18.85 %	2.11 % 2.29 %
Juno.com	4771 4702	3796 3704	880 880	95 118	79.56 % 78.77 %	18.44 % 18.72 %	1.99 % 2.51 %
Mailfence	4496 4838	3603 3852	804 883	89 103	80.14 % 79.62 %	17.88 % 18.25 %	1.98 % 2.13 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.