Mailgun and Constant Contact Email Deliverability Comparison

Mailgun

Constant Contact

In this comparison, the deliverability of Mailgun and Constant Contact 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 Mailgun than for Constant Contact.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
76.173 77.377	58.444 59.263	15.941 16.280	1.788 1.834

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. Mailgun beats Constant Contact in this comparison.

Inbox (%)	Spam (%)	Lost (%)
76.73 % 76.59 %	20.93 % 21.04 %	2.35 % 2.37 %

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, Mailgun is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	5934 6015	4477 4543	1320 1315	137 157	75.45 % 75.53 %	22.24 % 21.86 %	2.31 % 2.61 %
Elektronics	5704 5993	4394 4631	1180 1231	130 131	77.03 % 77.27 %	20.69 % 20.54 %	2.28 % 2.19 %
Entertainment	5823 5899	4409 4481	1277 1279	137 139	75.72 % 75.96 %	21.93 % 21.68 %	2.35 % 2.36 %
Cosmetics & Beauty	5475 6021	4210 4690	1137 1197	128 134	76.89 % 77.89 %	20.77 % 19.88 %	2.34 % 2.23 %
Food & Drink	5949 5782	4521 4401	1286 1246	142 135	76.00 % 76.12 %	21.62 % 21.55 %	2.39 % 2.33 %
Home & Garden	6054 5876	4663 4474	1256 1257	135 145	77.02 % 76.14 %	20.75 % 21.39 %	2.23 % 2.47 %
Finance	5723 6015	4617 4788	969 1078	137 149	80.67 % 79.60 %	16.93 % 17.92 %	2.39 % 2.48 %
Health	5918 5920	4755 4696	1029 1090	134 134	80.35 % 79.32 %	17.39 % 18.41 %	2.26 % 2.26 %
Pets	6007 5977	4583 4543	1288 1286	136 148	76.29 % 76.01 %	21.44 % 21.52 %	2.26 % 2.48 %
Sport & Fitness	5728 5999	4360 4594	1230 1265	138 140	76.12 % 76.58 %	21.47 % 21.09 %	2.41 % 2.33 %
Job & Career	5933 6103	4451 4526	1343 1440	139 137	75.02 % 74.16 %	22.64 % 23.59 %	2.34 % 2.24 %
Dating	5846 5847	4246 4248	1459 1457	141 142	72.63 % 72.65 %	24.96 % 24.92 %	2.41 % 2.43 %
Other	6079 5930	4758 4648	1167 1139	154 143	78.27 % 78.38 %	19.20 % 19.21 %	2.53 % 2.41 %

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, Mailgun is better than Constant Contact.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	5222 5633	3816 4144	1279 1357	127 132	73.08 % 73.57 %	24.49 % 24.09 %	2.43 % 2.34 %
Outlook Mail	5375 5493	4031 4102	1216 1261	128 130	75.00 % 74.68 %	22.62 % 22.96 %	2.38 % 2.37 %
Yahoo Mail	5536 5663	4220 4284	1193 1244	123 135	76.23 % 75.65 %	21.55 % 21.97 %	2.22 % 2.38 %
AOL Mail	5422 5531	4125 4203	1163 1194	134 134	76.08 % 75.99 %	21.45 % 21.59 %	2.47 % 2.42 %
Mail.com	5494 5532	4277 4291	1093 1112	124 129	77.85 % 77.57 %	19.89 % 20.10 %	2.26 % 2.33 %
Yandex Mail	5575 5570	4223 4223	1221 1221	131 126	75.75 % 75.82 %	21.90 % 21.92 %	2.35 % 2.26 %
GMX Mail	5500 5556	4147 4157	1230 1266	123 133	75.40 % 74.82 %	22.36 % 22.79 %	2.24 % 2.39 %
Zoho Mail	5513 5370	4299 4153	1082 1083	132 134	77.98 % 77.34 %	19.63 % 20.17 %	2.39 % 2.50 %
ProtonMail	5242 5485	4133 4281	985 1066	124 138	78.84 % 78.05 %	18.79 % 19.43 %	2.37 % 2.52 %
Custom Mail	5395 5348	4283 4248	979 976	133 124	79.39 % 79.43 %	18.15 % 18.25 %	2.47 % 2.32 %
iCloud Mail	5576 5411	4038 3976	1413 1307	125 128	72.42 % 73.48 %	25.34 % 24.15 %	2.24 % 2.37 %
Tuta	5566 5676	4357 4454	1086 1096	123 126	78.28 % 78.47 %	19.51 % 19.31 %	2.21 % 2.22 %
Juno.com	5540 5700	4367 4490	1036 1073	137 137	78.83 % 78.77 %	18.70 % 18.82 %	2.47 % 2.40 %
Mailfence	5217 5409	4128 4257	965 1024	124 128	79.13 % 78.70 %	18.50 % 18.93 %	2.38 % 2.37 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.