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
77.301 76.077	59.644 58.049	15.881 16.197	1.776 1.831

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 (%)
77.16 % 76.30 %	20.54 % 21.29 %	2.30 % 2.41 %

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	6223 5855	4769 4381	1314 1335	140 139	76.64 % 74.82 %	21.12 % 22.80 %	2.25 % 2.37 %
Elektronics	5871 5720	4570 4393	1167 1197	134 130	77.84 % 76.80 %	19.88 % 20.93 %	2.28 % 2.27 %
Entertainment	5960 5826	4591 4378	1247 1308	122 140	77.03 % 75.15 %	20.92 % 22.45 %	2.05 % 2.40 %
Cosmetics & Beauty	5909 5567	4594 4251	1189 1178	126 138	77.75 % 76.36 %	20.12 % 21.16 %	2.13 % 2.48 %
Food & Drink	5893 5934	4518 4495	1249 1297	126 142	76.67 % 75.75 %	21.19 % 21.86 %	2.14 % 2.39 %
Home & Garden	6020 6032	4626 4622	1255 1271	139 139	76.84 % 76.62 %	20.85 % 21.07 %	2.31 % 2.30 %
Finance	5866 5773	4707 4627	1016 1004	143 142	80.24 % 80.15 %	17.32 % 17.39 %	2.44 % 2.46 %
Health	6028 5946	4852 4761	1041 1046	135 139	80.49 % 80.07 %	17.27 % 17.59 %	2.24 % 2.34 %
Pets	6083 6019	4634 4567	1310 1316	139 136	76.18 % 75.88 %	21.54 % 21.86 %	2.29 % 2.26 %
Sport & Fitness	5716 5650	4412 4296	1165 1212	139 142	77.19 % 76.04 %	20.38 % 21.45 %	2.43 % 2.51 %
Job & Career	5918 5992	4407 4477	1369 1374	142 141	74.47 % 74.72 %	23.13 % 22.93 %	2.40 % 2.35 %
Dating	5907 5742	4330 4123	1439 1477	138 142	73.30 % 71.80 %	24.36 % 25.72 %	2.34 % 2.47 %
Other	5907 6021	4634 4678	1120 1182	153 161	78.45 % 77.69 %	18.96 % 19.63 %	2.59 % 2.67 %

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	5360 5339	3949 3890	1278 1319	133 130	73.68 % 72.86 %	23.84 % 24.71 %	2.48 % 2.43 %
Outlook Mail	5461 5428	4108 4057	1232 1231	121 140	75.22 % 74.74 %	22.56 % 22.68 %	2.22 % 2.58 %
Yahoo Mail	5550 5411	4209 4099	1223 1193	118 119	75.84 % 75.75 %	22.04 % 22.05 %	2.13 % 2.20 %
AOL Mail	5429 5425	4148 4095	1153 1195	128 135	76.40 % 75.48 %	21.24 % 22.03 %	2.36 % 2.49 %
Mail.com	5528 5451	4361 4218	1042 1104	125 129	78.89 % 77.38 %	18.85 % 20.25 %	2.26 % 2.37 %
Yandex Mail	5569 5527	4255 4169	1192 1225	122 133	76.41 % 75.43 %	21.40 % 22.16 %	2.19 % 2.41 %
GMX Mail	5418 5613	4051 4213	1244 1270	123 130	74.77 % 75.06 %	22.96 % 22.63 %	2.27 % 2.32 %
Zoho Mail	5521 5391	4308 4175	1088 1085	125 131	78.03 % 77.44 %	19.71 % 20.13 %	2.26 % 2.43 %
ProtonMail	5639 5330	4482 4184	1032 1019	125 127	79.48 % 78.50 %	18.30 % 19.12 %	2.22 % 2.38 %
Custom Mail	5386 5403	4313 4262	957 1005	116 136	80.08 % 78.88 %	17.77 % 18.60 %	2.15 % 2.52 %
iCloud Mail	5534 5561	4043 4002	1354 1431	137 128	73.06 % 71.97 %	24.47 % 25.73 %	2.48 % 2.30 %
Tuta	5675 5603	4483 4371	1062 1107	130 125	79.00 % 78.01 %	18.71 % 19.76 %	2.29 % 2.23 %
Juno.com	5728 5389	4584 4224	998 1029	146 136	80.03 % 78.38 %	17.42 % 19.09 %	2.55 % 2.52 %
Mailfence	5503 5206	4350 4090	1026 984	127 132	79.05 % 78.56 %	18.64 % 18.90 %	2.31 % 2.54 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.