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
76.798 75.969	59.444 58.252	15.641 15.942	1.713 1.775

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

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

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

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.