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
75.969 76.798	58.252 59.444	15.942 15.641	1.775 1.713

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 (%)
76.68 % 77.40 %	20.98 % 20.37 %	2.34 % 2.23 %

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	5772 6023	4368 4621	1279 1271	125 131	75.68 % 76.72 %	22.16 % 21.10 %	2.17 % 2.17 %
Elektronics	5578 5836	4314 4530	1144 1176	120 130	77.34 % 77.62 %	20.51 % 20.15 %	2.15 % 2.23 %
Entertainment	5696 5800	4302 4456	1257 1225	137 119	75.53 % 76.83 %	22.07 % 21.12 %	2.41 % 2.05 %
Cosmetics & Beauty	5480 5908	4213 4597	1140 1184	127 127	76.88 % 77.81 %	20.80 % 20.04 %	2.32 % 2.15 %
Food & Drink	5929 5933	4520 4555	1270 1256	139 122	76.24 % 76.77 %	21.42 % 21.17 %	2.34 % 2.06 %
Home & Garden	6035 6024	4645 4641	1255 1249	135 134	76.97 % 77.04 %	20.80 % 20.73 %	2.24 % 2.22 %
Finance	5761 6100	4634 4945	987 1013	140 142	80.44 % 81.07 %	17.13 % 16.61 %	2.43 % 2.33 %
Health	5904 6121	4730 4955	1038 1027	136 139	80.12 % 80.95 %	17.58 % 16.78 %	2.30 % 2.27 %
Pets	6059 6016	4606 4606	1312 1275	141 135	76.02 % 76.56 %	21.65 % 21.19 %	2.33 % 2.24 %
Sport & Fitness	5799 5696	4399 4426	1259 1145	141 125	75.86 % 77.70 %	21.71 % 20.10 %	2.43 % 2.19 %
Job & Career	6027 5828	4520 4344	1367 1351	140 133	75.00 % 74.54 %	22.68 % 23.18 %	2.32 % 2.28 %
Dating	5859 5816	4269 4275	1448 1409	142 132	72.86 % 73.50 %	24.71 % 24.23 %	2.42 % 2.27 %
Other	6070 5697	4732 4493	1186 1060	152 144	77.96 % 78.87 %	19.54 % 18.61 %	2.50 % 2.53 %

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	5195 5291	3821 3899	1250 1274	124 118	73.55 % 73.69 %	24.06 % 24.08 %	2.39 % 2.23 %
Outlook Mail	5364 5439	4008 4102	1229 1216	127 121	74.72 % 75.42 %	22.91 % 22.36 %	2.37 % 2.22 %
Yahoo Mail	5576 5571	4236 4230	1215 1222	125 119	75.97 % 75.93 %	21.79 % 21.94 %	2.24 % 2.14 %
AOL Mail	5319 5502	4046 4233	1147 1137	126 132	76.07 % 76.94 %	21.56 % 20.67 %	2.37 % 2.40 %
Mail.com	5606 5715	4357 4517	1120 1074	129 124	77.72 % 79.04 %	19.98 % 18.79 %	2.30 % 2.17 %
Yandex Mail	5600 5557	4240 4241	1227 1193	133 123	75.71 % 76.32 %	21.91 % 21.47 %	2.38 % 2.21 %
GMX Mail	5388 5337	4060 4004	1204 1212	124 121	75.35 % 75.02 %	22.35 % 22.71 %	2.30 % 2.27 %
Zoho Mail	5479 5427	4270 4225	1075 1085	134 117	77.93 % 77.85 %	19.62 % 19.99 %	2.45 % 2.16 %
ProtonMail	5318 5458	4192 4373	1000 975	126 110	78.83 % 80.12 %	18.80 % 17.86 %	2.37 % 2.02 %
Custom Mail	5364 5333	4263 4300	978 914	123 119	79.47 % 80.63 %	18.23 % 17.14 %	2.29 % 2.23 %
iCloud Mail	5554 5380	3997 3973	1428 1279	129 128	71.97 % 73.85 %	25.71 % 23.77 %	2.32 % 2.38 %
Tuta	5522 5717	4326 4544	1074 1046	122 127	78.34 % 79.48 %	19.45 % 18.30 %	2.21 % 2.22 %
Juno.com	5453 5712	4294 4540	1024 1033	135 139	78.75 % 79.48 %	18.78 % 18.08 %	2.48 % 2.43 %
Mailfence	5231 5359	4142 4263	971 981	118 115	79.18 % 79.55 %	18.56 % 18.31 %	2.26 % 2.15 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.