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
64.823 65.852	49.612 49.870	13.681 14.151	1.530 1.831

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 (%)
76.53 % 75.73 %	21.11 % 21.49 %	2.36 % 2.78 %

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	4967 4975	3819 3735	1044 1093	104 147	76.89 % 75.08 %	21.02 % 21.97 %	2.09 % 2.95 %
Elektronics	4857 5013	3760 3808	980 1072	117 133	77.41 % 75.96 %	20.18 % 21.38 %	2.41 % 2.65 %
Entertainment	4771 5191	3618 3918	1040 1130	113 143	75.83 % 75.48 %	21.80 % 21.77 %	2.37 % 2.75 %
Cosmetics & Beauty	4820 5249	3701 3970	1006 1140	113 139	76.78 % 75.63 %	20.87 % 21.72 %	2.34 % 2.65 %
Food & Drink	4984 5000	3807 3762	1055 1109	122 129	76.38 % 75.24 %	21.17 % 22.18 %	2.45 % 2.58 %
Home & Garden	5148 4940	3953 3732	1083 1070	112 138	76.79 % 75.55 %	21.04 % 21.66 %	2.18 % 2.79 %
Finance	4877 5044	3936 4011	824 884	117 149	80.71 % 79.52 %	16.90 % 17.53 %	2.40 % 2.95 %
Health	4966 4973	3934 3925	915 909	117 139	79.22 % 78.93 %	18.43 % 18.28 %	2.36 % 2.80 %
Pets	5194 5123	3913 3874	1153 1104	128 145	75.34 % 75.62 %	22.20 % 21.55 %	2.46 % 2.83 %
Sport & Fitness	5132 5167	3914 3923	1088 1099	130 145	76.27 % 75.92 %	21.20 % 21.27 %	2.53 % 2.81 %
Job & Career	4862 5053	3595 3688	1152 1236	115 129	73.94 % 72.99 %	23.69 % 24.46 %	2.37 % 2.55 %
Dating	5050 4989	3652 3562	1280 1285	118 142	72.32 % 71.40 %	25.35 % 25.76 %	2.34 % 2.85 %
Other	5195 5135	4010 3962	1061 1020	124 153	77.19 % 77.16 %	20.42 % 19.86 %	2.39 % 2.98 %

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	4496 4661	3284 3403	1109 1140	103 118	73.04 % 73.01 %	24.67 % 24.46 %	2.29 % 2.53 %
Outlook Mail	4640 4542	3442 3334	1082 1076	116 132	74.18 % 73.40 %	23.32 % 23.69 %	2.50 % 2.91 %
Yahoo Mail	4702 4750	3545 3536	1045 1078	112 136	75.39 % 74.44 %	22.22 % 22.69 %	2.38 % 2.86 %
AOL Mail	4529 4611	3443 3443	987 1035	99 133	76.02 % 74.67 %	21.79 % 22.45 %	2.19 % 2.88 %
Mail.com	4597 4915	3574 3772	916 1008	107 135	77.75 % 76.74 %	19.93 % 20.51 %	2.33 % 2.75 %
Yandex Mail	4806 4699	3627 3509	1063 1063	116 127	75.47 % 74.68 %	22.12 % 22.62 %	2.41 % 2.70 %
GMX Mail	4404 4698	3284 3479	1016 1089	104 130	74.57 % 74.05 %	23.07 % 23.18 %	2.36 % 2.77 %
Zoho Mail	4758 4864	3712 3739	927 987	119 138	78.02 % 76.87 %	19.48 % 20.29 %	2.50 % 2.84 %
ProtonMail	4614 4644	3641 3616	870 900	103 128	78.91 % 77.86 %	18.86 % 19.38 %	2.23 % 2.76 %
Custom Mail	4551 4787	3632 3739	820 918	99 130	79.81 % 78.11 %	18.02 % 19.18 %	2.18 % 2.72 %
iCloud Mail	4634 4580	3330 3334	1190 1110	114 136	71.86 % 72.79 %	25.68 % 24.24 %	2.46 % 2.97 %
Tuta	4650 4732	3645 3672	897 923	108 137	78.39 % 77.60 %	19.29 % 19.51 %	2.32 % 2.90 %
Juno.com	4689 4659	3684 3633	883 902	122 124	78.57 % 77.98 %	18.83 % 19.36 %	2.60 % 2.66 %
Mailfence	4753 4710	3769 3661	876 922	108 127	79.30 % 77.73 %	18.43 % 19.58 %	2.27 % 2.70 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.