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
75.674 77.376	58.172 58.851	15.752 16.516	1.750 2.009

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 (%)
76.87 % 76.06 %	20.82 % 21.35 %	2.31 % 2.60 %

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	5807 5909	4432 4440	1249 1299	126 170	76.32 % 75.14 %	21.51 % 21.98 %	2.17 % 2.88 %
Elektronics	5609 5925	4350 4507	1135 1276	124 142	77.55 % 76.07 %	20.24 % 21.54 %	2.21 % 2.40 %
Entertainment	5693 5885	4321 4452	1238 1281	134 152	75.90 % 75.65 %	21.75 % 21.77 %	2.35 % 2.58 %
Cosmetics & Beauty	5442 6227	4193 4782	1123 1289	126 156	77.05 % 76.79 %	20.64 % 20.70 %	2.32 % 2.51 %
Food & Drink	5827 5860	4468 4417	1220 1298	139 145	76.68 % 75.38 %	20.94 % 22.15 %	2.39 % 2.47 %
Home & Garden	6002 5802	4637 4390	1232 1255	133 157	77.26 % 75.66 %	20.53 % 21.63 %	2.22 % 2.71 %
Finance	5689 6052	4586 4809	968 1080	135 163	80.61 % 79.46 %	17.02 % 17.85 %	2.37 % 2.69 %
Health	5901 5852	4740 4597	1029 1112	132 143	80.33 % 78.55 %	17.44 % 19.00 %	2.24 % 2.44 %
Pets	6106 5969	4646 4523	1322 1290	138 156	76.09 % 75.77 %	21.65 % 21.61 %	2.26 % 2.61 %
Sport & Fitness	5766 6013	4387 4597	1235 1262	144 154	76.08 % 76.45 %	21.42 % 20.99 %	2.50 % 2.56 %
Job & Career	5894 5970	4429 4390	1326 1438	139 142	75.14 % 73.53 %	22.50 % 24.09 %	2.36 % 2.38 %
Dating	5917 5874	4302 4241	1476 1471	139 162	72.71 % 72.20 %	24.95 % 25.04 %	2.35 % 2.76 %
Other	6021 6038	4681 4706	1199 1165	141 167	77.74 % 77.94 %	19.91 % 19.29 %	2.34 % 2.77 %

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	5225 5498	3843 4015	1261 1347	121 136	73.55 % 73.03 %	24.13 % 24.50 %	2.32 % 2.47 %
Outlook Mail	5372 5450	4050 4036	1197 1268	125 146	75.39 % 74.06 %	22.28 % 23.27 %	2.33 % 2.68 %
Yahoo Mail	5614 5564	4270 4177	1223 1237	121 150	76.06 % 75.07 %	21.78 % 22.23 %	2.16 % 2.70 %
AOL Mail	5264 5387	4012 4058	1129 1189	123 140	76.22 % 75.33 %	21.45 % 22.07 %	2.34 % 2.60 %
Mail.com	5427 5602	4242 4317	1064 1144	121 141	78.16 % 77.06 %	19.61 % 20.42 %	2.23 % 2.52 %
Yandex Mail	5673 5579	4290 4177	1249 1266	134 136	75.62 % 74.87 %	22.02 % 22.69 %	2.36 % 2.44 %
GMX Mail	5269 5520	3982 4113	1162 1260	125 147	75.57 % 74.51 %	22.05 % 22.83 %	2.37 % 2.66 %
Zoho Mail	5447 5492	4246 4223	1069 1119	132 150	77.95 % 76.89 %	19.63 % 20.38 %	2.42 % 2.73 %
ProtonMail	5379 5503	4253 4269	1002 1086	124 148	79.07 % 77.58 %	18.63 % 19.73 %	2.31 % 2.69 %
Custom Mail	5254 5501	4185 4341	952 1021	117 139	79.65 % 78.91 %	18.12 % 18.56 %	2.23 % 2.53 %
iCloud Mail	5489 5570	3954 4087	1408 1338	127 145	72.03 % 73.38 %	25.65 % 24.02 %	2.31 % 2.60 %
Tuta	5433 5715	4263 4450	1045 1120	125 145	78.46 % 77.87 %	19.23 % 19.60 %	2.30 % 2.54 %
Juno.com	5454 5583	4307 4370	1009 1068	138 145	78.97 % 78.27 %	18.50 % 19.13 %	2.53 % 2.60 %
Mailfence	5374 5412	4275 4218	982 1053	117 141	79.55 % 77.94 %	18.27 % 19.46 %	2.18 % 2.61 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.