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
64.615 64.550	49.541 49.829	13.785 13.300	1.579 1.734

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 (%)
76.67 % 77.19 %	21.33 % 20.60 %	2.44 % 2.69 %

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	5018 4681	3908 3583	1019 990	110 131	77.88 % 76.54 %	20.31 % 21.15 %	2.19 % 2.80 %
Elektronics	5054 4869	3920 3787	1033 975	132 129	77.56 % 77.78 %	20.44 % 20.02 %	2.61 % 2.65 %
Entertainment	4913 5043	3747 3894	1071 1029	122 135	76.27 % 77.22 %	21.80 % 20.40 %	2.48 % 2.68 %
Cosmetics & Beauty	4934 5050	3795 3876	1024 1061	120 137	76.92 % 76.75 %	20.75 % 21.01 %	2.43 % 2.71 %
Food & Drink	4824 4904	3719 3763	1010 1059	117 119	77.09 % 76.73 %	20.94 % 21.59 %	2.43 % 2.43 %
Home & Garden	5089 4881	3914 3753	1091 1027	120 130	76.91 % 76.89 %	21.44 % 21.04 %	2.36 % 2.66 %
Finance	5008 4977	4014 4025	912 844	125 142	80.15 % 80.87 %	18.21 % 16.96 %	2.50 % 2.85 %
Health	4944 5016	3899 3996	953 922	118 133	78.86 % 79.67 %	19.28 % 18.38 %	2.39 % 2.65 %
Pets	4996 4974	3764 3853	1123 1007	127 135	75.34 % 77.46 %	22.48 % 20.25 %	2.54 % 2.71 %
Sport & Fitness	4986 5070	3777 3892	1088 1049	128 142	75.75 % 76.77 %	21.82 % 20.69 %	2.57 % 2.80 %
Job & Career	4807 5029	3565 3778	1142 1146	115 130	74.16 % 75.12 %	23.76 % 22.79 %	2.39 % 2.59 %
Dating	4864 5030	3522 3670	1233 1236	121 136	72.41 % 72.96 %	25.35 % 24.57 %	2.49 % 2.70 %
Other	5178 5026	3997 3959	1086 955	124 135	77.19 % 78.77 %	20.97 % 19.00 %	2.39 % 2.69 %

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	4746 4661	3504 3490	1141 1073	114 118	73.83 % 74.88 %	24.04 % 23.02 %	2.40 % 2.53 %
Outlook Mail	4765 4463	3571 3358	1097 1004	123 125	74.94 % 75.24 %	23.02 % 22.50 %	2.58 % 2.80 %
Yahoo Mail	4672 4725	3514 3595	1036 1025	114 127	75.21 % 76.08 %	22.17 % 21.69 %	2.44 % 2.69 %
AOL Mail	4455 4535	3409 3449	960 974	105 125	76.52 % 76.05 %	21.55 % 21.48 %	2.36 % 2.76 %
Mail.com	4524 4907	3511 3833	911 968	116 132	77.61 % 78.11 %	20.14 % 19.73 %	2.56 % 2.69 %
Yandex Mail	4871 4613	3709 3537	1075 998	114 124	76.14 % 76.67 %	22.07 % 21.63 %	2.34 % 2.69 %
GMX Mail	4538 4605	3415 3458	1046 1035	115 120	75.25 % 75.09 %	23.05 % 22.48 %	2.53 % 2.61 %
Zoho Mail	4621 4846	3595 3797	945 942	120 131	77.80 % 78.35 %	20.45 % 19.44 %	2.60 % 2.70 %
ProtonMail	4697 4526	3679 3603	926 831	110 119	78.33 % 79.61 %	19.71 % 18.36 %	2.34 % 2.63 %
Custom Mail	4723 4773	3755 3794	877 872	103 127	79.50 % 79.49 %	18.57 % 18.27 %	2.18 % 2.66 %
iCloud Mail	4663 4641	3394 3480	1198 1075	117 133	72.79 % 74.98 %	25.69 % 23.16 %	2.51 % 2.87 %
Tuta	4639 4650	3646 3667	904 877	113 128	78.59 % 78.86 %	19.49 % 18.86 %	2.44 % 2.75 %
Juno.com	4641 4577	3630 3615	909 858	124 118	78.22 % 78.98 %	19.59 % 18.75 %	2.67 % 2.58 %
Mailfence	4060 4028	3209 3153	760 768	91 107	79.04 % 78.28 %	18.72 % 19.07 %	2.24 % 2.66 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.