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 Constant Contact than for Mailgun.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
75.969 77.510	58.252 59.481	15.942 16.188	1.775 1.841

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. Constant Contact beats Mailgun in this comparison.

Inbox (%)	Spam (%)	Lost (%)
76.68 % 76.74 %	20.98 % 20.89 %	2.34 % 2.38 %

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, Constant Contact is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	5772 5944	4368 4513	1279 1272	125 159	75.68 % 75.93 %	22.16 % 21.40 %	2.17 % 2.67 %
Elektronics	5578 5884	4314 4526	1144 1229	120 129	77.34 % 76.92 %	20.51 % 20.89 %	2.15 % 2.19 %
Entertainment	5696 5842	4302 4463	1257 1241	137 138	75.53 % 76.40 %	22.07 % 21.24 %	2.41 % 2.36 %
Cosmetics & Beauty	5480 6241	4213 4839	1140 1259	127 143	76.88 % 77.54 %	20.80 % 20.17 %	2.32 % 2.29 %
Food & Drink	5929 5830	4520 4446	1270 1251	139 133	76.24 % 76.26 %	21.42 % 21.46 %	2.34 % 2.28 %
Home & Garden	6035 5786	4645 4414	1255 1226	135 146	76.97 % 76.29 %	20.80 % 21.19 %	2.24 % 2.52 %
Finance	5761 6092	4634 4874	987 1070	140 148	80.44 % 80.01 %	17.13 % 17.56 %	2.43 % 2.43 %
Health	5904 5925	4730 4712	1038 1083	136 130	80.12 % 79.53 %	17.58 % 18.28 %	2.30 % 2.19 %
Pets	6059 5939	4606 4529	1312 1267	141 143	76.02 % 76.26 %	21.65 % 21.33 %	2.33 % 2.41 %
Sport & Fitness	5799 5982	4399 4600	1259 1245	141 137	75.86 % 76.90 %	21.71 % 20.81 %	2.43 % 2.29 %
Job & Career	6027 6109	4520 4537	1367 1439	140 133	75.00 % 74.27 %	22.68 % 23.56 %	2.32 % 2.18 %
Dating	5859 5928	4269 4307	1448 1471	142 150	72.86 % 72.66 %	24.71 % 24.81 %	2.42 % 2.53 %
Other	6070 6008	4732 4721	1186 1135	152 152	77.96 % 78.58 %	19.54 % 18.89 %	2.50 % 2.53 %

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, Constant Contact is better than Mailgun.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	5195 5523	3821 4063	1250 1332	124 128	73.55 % 73.57 %	24.06 % 24.12 %	2.39 % 2.32 %
Outlook Mail	5364 5505	4008 4127	1229 1245	127 133	74.72 % 74.97 %	22.91 % 22.62 %	2.37 % 2.42 %
Yahoo Mail	5576 5699	4236 4311	1215 1247	125 141	75.97 % 75.64 %	21.79 % 21.88 %	2.24 % 2.47 %
AOL Mail	5319 5519	4046 4197	1147 1189	126 133	76.07 % 76.05 %	21.56 % 21.54 %	2.37 % 2.41 %
Mail.com	5606 5656	4357 4395	1120 1128	129 133	77.72 % 77.71 %	19.98 % 19.94 %	2.30 % 2.35 %
Yandex Mail	5600 5614	4240 4249	1227 1244	133 121	75.71 % 75.69 %	21.91 % 22.16 %	2.38 % 2.16 %
GMX Mail	5388 5503	4060 4138	1204 1236	124 129	75.35 % 75.20 %	22.35 % 22.46 %	2.30 % 2.34 %
Zoho Mail	5479 5515	4270 4277	1075 1100	134 138	77.93 % 77.55 %	19.62 % 19.95 %	2.45 % 2.50 %
ProtonMail	5318 5421	4192 4234	1000 1051	126 136	78.83 % 78.10 %	18.80 % 19.39 %	2.37 % 2.51 %
Custom Mail	5364 5419	4263 4313	978 981	123 125	79.47 % 79.59 %	18.23 % 18.10 %	2.29 % 2.31 %
iCloud Mail	5554 5464	3997 4049	1428 1286	129 129	71.97 % 74.10 %	25.71 % 23.54 %	2.32 % 2.36 %
Tuta	5522 5673	4326 4460	1074 1079	122 134	78.34 % 78.62 %	19.45 % 19.02 %	2.21 % 2.36 %
Juno.com	5453 5601	4294 4421	1024 1047	135 133	78.75 % 78.93 %	18.78 % 18.69 %	2.48 % 2.37 %
Mailfence	5231 5398	4142 4247	971 1023	118 128	79.18 % 78.68 %	18.56 % 18.95 %	2.26 % 2.37 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.