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
77.364 76.173	60.340 58.444	15.418 15.941	1.606 1.788

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 (%)
77.99 % 76.73 %	19.93 % 20.93 %	2.08 % 2.35 %

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	6125 5934	4737 4477	1265 1320	123 137	77.34 % 75.45 %	20.65 % 22.24 %	2.01 % 2.31 %
Elektronics	5829 5704	4554 4394	1152 1180	123 130	78.13 % 77.03 %	19.76 % 20.69 %	2.11 % 2.28 %
Entertainment	5939 5823	4607 4409	1218 1277	114 137	77.57 % 75.72 %	20.51 % 21.93 %	1.92 % 2.35 %
Cosmetics & Beauty	5972 5475	4699 4210	1157 1137	116 128	78.68 % 76.89 %	19.37 % 20.77 %	1.94 % 2.34 %
Food & Drink	5914 5949	4591 4521	1211 1286	112 142	77.63 % 76.00 %	20.48 % 21.62 %	1.89 % 2.39 %
Home & Garden	6083 6054	4729 4663	1227 1256	127 135	77.74 % 77.02 %	20.17 % 20.75 %	2.09 % 2.23 %
Finance	5980 5723	4887 4617	957 969	136 137	81.72 % 80.67 %	16.00 % 16.93 %	2.27 % 2.39 %
Health	6023 5918	4892 4755	1009 1029	122 134	81.22 % 80.35 %	16.75 % 17.39 %	2.03 % 2.26 %
Pets	6058 6007	4677 4583	1257 1288	124 136	77.20 % 76.29 %	20.75 % 21.44 %	2.05 % 2.26 %
Sport & Fitness	5761 5728	4496 4360	1142 1230	123 138	78.04 % 76.12 %	19.82 % 21.47 %	2.14 % 2.41 %
Job & Career	5954 5933	4491 4451	1339 1343	124 139	75.43 % 75.02 %	22.49 % 22.64 %	2.08 % 2.34 %
Dating	5963 5846	4403 4246	1436 1459	124 141	73.84 % 72.63 %	24.08 % 24.96 %	2.08 % 2.41 %
Other	5763 6079	4577 4758	1048 1167	138 154	79.42 % 78.27 %	18.18 % 19.20 %	2.39 % 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	5361 5222	3973 3816	1270 1279	118 127	74.11 % 73.08 %	23.69 % 24.49 %	2.20 % 2.43 %
Outlook Mail	5479 5375	4166 4031	1206 1216	107 128	76.04 % 75.00 %	22.01 % 22.62 %	1.95 % 2.38 %
Yahoo Mail	5570 5536	4261 4220	1199 1193	110 123	76.50 % 76.23 %	21.53 % 21.55 %	1.97 % 2.22 %
AOL Mail	5446 5422	4213 4125	1110 1163	123 134	77.36 % 76.08 %	20.38 % 21.45 %	2.26 % 2.47 %
Mail.com	5653 5494	4514 4277	1027 1093	112 124	79.85 % 77.85 %	18.17 % 19.89 %	1.98 % 2.26 %
Yandex Mail	5609 5575	4327 4223	1168 1221	114 131	77.14 % 75.75 %	20.82 % 21.90 %	2.03 % 2.35 %
GMX Mail	5412 5500	4097 4147	1202 1230	113 123	75.70 % 75.40 %	22.21 % 22.36 %	2.09 % 2.24 %
Zoho Mail	5461 5513	4290 4299	1060 1082	111 132	78.56 % 77.98 %	19.41 % 19.63 %	2.03 % 2.39 %
ProtonMail	5591 5242	4497 4133	986 985	108 124	80.43 % 78.84 %	17.64 % 18.79 %	1.93 % 2.37 %
Custom Mail	5358 5395	4335 4283	915 979	108 133	80.91 % 79.39 %	17.08 % 18.15 %	2.02 % 2.47 %
iCloud Mail	5528 5576	4107 4038	1298 1413	123 125	74.29 % 72.42 %	23.48 % 25.34 %	2.23 % 2.24 %
Tuta	5765 5566	4608 4357	1039 1086	118 123	79.93 % 78.28 %	18.02 % 19.51 %	2.05 % 2.21 %
Juno.com	5695 5540	4582 4367	982 1036	131 137	80.46 % 78.83 %	17.24 % 18.70 %	2.30 % 2.47 %
Mailfence	5436 5217	4370 4128	956 965	110 124	80.39 % 79.13 %	17.59 % 18.50 %	2.02 % 2.38 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.