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
75.817 76.042	58.432 58.789	15.691 15.604	1.694 1.649

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 (%)
77.07 % 77.31 %	20.70 % 20.52 %	2.23 % 2.17 %

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	5917 5800	4589 4452	1209 1228	119 120	77.56 % 76.76 %	20.43 % 21.17 %	2.01 % 2.07 %
Elektronics	5757 5697	4488 4393	1137 1183	132 121	77.96 % 77.11 %	19.75 % 20.77 %	2.29 % 2.12 %
Entertainment	5685 5933	4352 4572	1206 1229	127 132	76.55 % 77.06 %	21.21 % 20.71 %	2.23 % 2.22 %
Cosmetics & Beauty	5679 5789	4393 4494	1160 1177	126 118	77.36 % 77.63 %	20.43 % 20.33 %	2.22 % 2.04 %
Food & Drink	5724 5915	4411 4515	1181 1275	132 125	77.06 % 76.33 %	20.63 % 21.56 %	2.31 % 2.11 %
Home & Garden	6045 5833	4672 4507	1247 1197	126 129	77.29 % 77.27 %	20.63 % 20.52 %	2.08 % 2.21 %
Finance	5770 6042	4690 4861	947 1052	133 129	81.28 % 80.45 %	16.41 % 17.41 %	2.31 % 2.14 %
Health	5801 5826	4632 4725	1040 971	129 130	79.85 % 81.10 %	17.93 % 16.67 %	2.22 % 2.23 %
Pets	6046 5988	4587 4610	1320 1244	139 134	75.87 % 76.99 %	21.83 % 20.77 %	2.30 % 2.24 %
Sport & Fitness	5884 5842	4502 4512	1242 1208	140 122	76.51 % 77.23 %	21.11 % 20.68 %	2.38 % 2.09 %
Job & Career	5672 5756	4210 4291	1334 1340	128 125	74.22 % 74.55 %	23.52 % 23.28 %	2.26 % 2.17 %
Dating	5815 5735	4227 4198	1460 1415	128 122	72.69 % 73.20 %	25.11 % 24.67 %	2.20 % 2.13 %
Other	6022 5886	4679 4659	1208 1085	135 142	77.70 % 79.15 %	20.06 % 18.43 %	2.24 % 2.41 %

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	5358 5314	3944 3887	1298 1320	116 107	73.61 % 73.15 %	24.23 % 24.84 %	2.16 % 2.01 %
Outlook Mail	5434 5354	4072 4044	1234 1193	128 117	74.94 % 75.53 %	22.71 % 22.28 %	2.36 % 2.19 %
Yahoo Mail	5489 5476	4172 4155	1194 1203	123 118	76.01 % 75.88 %	21.75 % 21.97 %	2.24 % 2.15 %
AOL Mail	5235 5532	4005 4232	1119 1178	111 122	76.50 % 76.50 %	21.38 % 21.29 %	2.12 % 2.21 %
Mail.com	5341 5707	4176 4529	1046 1052	119 126	78.19 % 79.36 %	19.58 % 18.43 %	2.23 % 2.21 %
Yandex Mail	5624 5427	4289 4133	1212 1176	123 118	76.26 % 76.16 %	21.55 % 21.67 %	2.19 % 2.17 %
GMX Mail	5217 5492	3920 4108	1181 1258	116 126	75.14 % 74.80 %	22.64 % 22.91 %	2.22 % 2.29 %
Zoho Mail	5440 5468	4267 4295	1043 1058	130 115	78.44 % 78.55 %	19.17 % 19.35 %	2.39 % 2.10 %
ProtonMail	5363 5340	4240 4249	1007 984	116 107	79.06 % 79.57 %	18.78 % 18.43 %	2.16 % 2.00 %
Custom Mail	5350 5405	4299 4386	940 892	111 127	80.36 % 81.15 %	17.57 % 16.50 %	2.07 % 2.35 %
iCloud Mail	5409 5325	3914 3914	1370 1292	125 119	72.36 % 73.50 %	25.33 % 24.26 %	2.31 % 2.23 %
Tuta	5428 5505	4291 4383	1018 999	119 123	79.05 % 79.62 %	18.75 % 18.15 %	2.19 % 2.23 %
Juno.com	5526 5508	4363 4363	1025 1028	138 117	78.95 % 79.21 %	18.55 % 18.66 %	2.50 % 2.12 %
Mailfence	5603 5189	4480 4111	1004 971	119 107	79.96 % 79.23 %	17.92 % 18.71 %	2.12 % 2.06 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.