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
65.051 66.103	49.710 50.487	13.808 13.951	1.533 1.665

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 (%)
76.42 % 76.38 %	21.23 % 21.10 %	2.36 % 2.52 %

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	4950 4977	3776 3771	1063 1072	111 134	76.28 % 75.77 %	21.47 % 21.54 %	2.24 % 2.69 %
Elektronics	4824 5009	3726 3852	990 1040	108 117	77.24 % 76.90 %	20.52 % 20.76 %	2.24 % 2.34 %
Entertainment	4763 5116	3599 3886	1056 1101	108 129	75.56 % 75.96 %	22.17 % 21.52 %	2.27 % 2.52 %
Cosmetics & Beauty	4814 5279	3667 4045	1032 1107	115 127	76.17 % 76.62 %	21.44 % 20.97 %	2.39 % 2.41 %
Food & Drink	5041 5001	3858 3781	1063 1105	120 115	76.53 % 75.60 %	21.09 % 22.10 %	2.38 % 2.30 %
Home & Garden	5187 4977	3979 3791	1094 1055	114 131	76.71 % 76.17 %	21.09 % 21.20 %	2.20 % 2.63 %
Finance	4952 5118	3994 4100	838 886	120 132	80.65 % 80.11 %	16.92 % 17.31 %	2.42 % 2.58 %
Health	4979 4975	3962 3935	905 919	112 121	79.57 % 79.10 %	18.18 % 18.47 %	2.25 % 2.43 %
Pets	5199 5134	3914 3913	1160 1088	125 133	75.28 % 76.22 %	22.31 % 21.19 %	2.40 % 2.59 %
Sport & Fitness	5194 5185	3934 3982	1125 1073	135 130	75.74 % 76.80 %	21.66 % 20.69 %	2.60 % 2.51 %
Job & Career	4953 5080	3664 3747	1169 1217	120 116	73.98 % 73.76 %	23.60 % 23.96 %	2.42 % 2.28 %
Dating	5055 5024	3666 3611	1266 1280	123 133	72.52 % 71.88 %	25.04 % 25.48 %	2.43 % 2.65 %
Other	5140 5228	3971 4073	1047 1008	122 147	77.26 % 77.91 %	20.37 % 19.28 %	2.37 % 2.81 %

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	4581 4685	3340 3432	1135 1143	106 110	72.91 % 73.26 %	24.78 % 24.40 %	2.31 % 2.35 %
Outlook Mail	4667 4657	3480 3475	1076 1060	111 122	74.57 % 74.62 %	23.06 % 22.76 %	2.38 % 2.62 %
Yahoo Mail	4748 4781	3582 3598	1059 1056	107 127	75.44 % 75.26 %	22.30 % 22.09 %	2.25 % 2.66 %
AOL Mail	4543 4607	3434 3480	1001 1009	108 118	75.59 % 75.54 %	22.03 % 21.90 %	2.38 % 2.56 %
Mail.com	4701 4835	3659 3743	930 970	112 122	77.83 % 77.41 %	19.78 % 20.06 %	2.38 % 2.52 %
Yandex Mail	4869 4750	3670 3572	1084 1061	115 117	75.37 % 75.20 %	22.26 % 22.34 %	2.36 % 2.46 %
GMX Mail	4425 4776	3314 3573	1004 1083	107 120	74.89 % 74.81 %	22.69 % 22.68 %	2.42 % 2.51 %
Zoho Mail	4663 4790	3641 3709	908 958	114 123	78.08 % 77.43 %	19.47 % 20.00 %	2.44 % 2.57 %
ProtonMail	4623 4614	3633 3613	884 886	106 115	78.59 % 78.31 %	19.12 % 19.20 %	2.29 % 2.49 %
Custom Mail	4532 4741	3602 3725	829 904	101 112	79.48 % 78.57 %	18.29 % 19.07 %	2.23 % 2.36 %
iCloud Mail	4593 4652	3292 3421	1193 1108	108 123	71.67 % 73.54 %	25.97 % 23.82 %	2.35 % 2.64 %
Tuta	4719 4813	3680 3776	926 916	113 121	77.98 % 78.45 %	19.62 % 19.03 %	2.39 % 2.51 %
Juno.com	4737 4717	3718 3703	898 897	121 117	78.49 % 78.50 %	18.96 % 19.02 %	2.55 % 2.48 %
Mailfence	4650 4685	3665 3667	881 900	104 118	78.82 % 78.27 %	18.95 % 19.21 %	2.24 % 2.52 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.