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
76.077 77.301	58.049 59.644	16.197 15.881	1.831 1.776

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

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

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

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.