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
76.173 77.364	58.444 60.340	15.941 15.418	1.788 1.606

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

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	5934 6125	4477 4737	1320 1265	137 123	75.45 % 77.34 %	22.24 % 20.65 %	2.31 % 2.01 %
Elektronics	5704 5829	4394 4554	1180 1152	130 123	77.03 % 78.13 %	20.69 % 19.76 %	2.28 % 2.11 %
Entertainment	5823 5939	4409 4607	1277 1218	137 114	75.72 % 77.57 %	21.93 % 20.51 %	2.35 % 1.92 %
Cosmetics & Beauty	5475 5972	4210 4699	1137 1157	128 116	76.89 % 78.68 %	20.77 % 19.37 %	2.34 % 1.94 %
Food & Drink	5949 5914	4521 4591	1286 1211	142 112	76.00 % 77.63 %	21.62 % 20.48 %	2.39 % 1.89 %
Home & Garden	6054 6083	4663 4729	1256 1227	135 127	77.02 % 77.74 %	20.75 % 20.17 %	2.23 % 2.09 %
Finance	5723 5980	4617 4887	969 957	137 136	80.67 % 81.72 %	16.93 % 16.00 %	2.39 % 2.27 %
Health	5918 6023	4755 4892	1029 1009	134 122	80.35 % 81.22 %	17.39 % 16.75 %	2.26 % 2.03 %
Pets	6007 6058	4583 4677	1288 1257	136 124	76.29 % 77.20 %	21.44 % 20.75 %	2.26 % 2.05 %
Sport & Fitness	5728 5761	4360 4496	1230 1142	138 123	76.12 % 78.04 %	21.47 % 19.82 %	2.41 % 2.14 %
Job & Career	5933 5954	4451 4491	1343 1339	139 124	75.02 % 75.43 %	22.64 % 22.49 %	2.34 % 2.08 %
Dating	5846 5963	4246 4403	1459 1436	141 124	72.63 % 73.84 %	24.96 % 24.08 %	2.41 % 2.08 %
Other	6079 5763	4758 4577	1167 1048	154 138	78.27 % 79.42 %	19.20 % 18.18 %	2.53 % 2.39 %

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	5222 5361	3816 3973	1279 1270	127 118	73.08 % 74.11 %	24.49 % 23.69 %	2.43 % 2.20 %
Outlook Mail	5375 5479	4031 4166	1216 1206	128 107	75.00 % 76.04 %	22.62 % 22.01 %	2.38 % 1.95 %
Yahoo Mail	5536 5570	4220 4261	1193 1199	123 110	76.23 % 76.50 %	21.55 % 21.53 %	2.22 % 1.97 %
AOL Mail	5422 5446	4125 4213	1163 1110	134 123	76.08 % 77.36 %	21.45 % 20.38 %	2.47 % 2.26 %
Mail.com	5494 5653	4277 4514	1093 1027	124 112	77.85 % 79.85 %	19.89 % 18.17 %	2.26 % 1.98 %
Yandex Mail	5575 5609	4223 4327	1221 1168	131 114	75.75 % 77.14 %	21.90 % 20.82 %	2.35 % 2.03 %
GMX Mail	5500 5412	4147 4097	1230 1202	123 113	75.40 % 75.70 %	22.36 % 22.21 %	2.24 % 2.09 %
Zoho Mail	5513 5461	4299 4290	1082 1060	132 111	77.98 % 78.56 %	19.63 % 19.41 %	2.39 % 2.03 %
ProtonMail	5242 5591	4133 4497	985 986	124 108	78.84 % 80.43 %	18.79 % 17.64 %	2.37 % 1.93 %
Custom Mail	5395 5358	4283 4335	979 915	133 108	79.39 % 80.91 %	18.15 % 17.08 %	2.47 % 2.02 %
iCloud Mail	5576 5528	4038 4107	1413 1298	125 123	72.42 % 74.29 %	25.34 % 23.48 %	2.24 % 2.23 %
Tuta	5566 5765	4357 4608	1086 1039	123 118	78.28 % 79.93 %	19.51 % 18.02 %	2.21 % 2.05 %
Juno.com	5540 5695	4367 4582	1036 982	137 131	78.83 % 80.46 %	18.70 % 17.24 %	2.47 % 2.30 %
Mailfence	5217 5436	4128 4370	965 956	124 110	79.13 % 80.39 %	18.50 % 17.59 %	2.38 % 2.02 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.