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
64.943 66.282	50.213 50.632	13.299 13.969	1.431 1.681

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 (%)
77.32 % 76.39 %	20.48 % 21.08 %	2.20 % 2.54 %

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	4988 5057	3830 3831	1056 1082	102 144	76.78 % 75.76 %	21.17 % 21.40 %	2.04 % 2.85 %
Elektronics	4810 5044	3757 3852	951 1074	102 118	78.11 % 76.37 %	19.77 % 21.29 %	2.12 % 2.34 %
Entertainment	4867 5084	3720 3854	1043 1103	104 127	76.43 % 75.81 %	21.43 % 21.70 %	2.14 % 2.50 %
Cosmetics & Beauty	4702 5338	3634 4100	960 1107	108 131	77.29 % 76.81 %	20.42 % 20.74 %	2.30 % 2.45 %
Food & Drink	4946 5065	3838 3816	999 1127	109 122	77.60 % 75.34 %	20.20 % 22.25 %	2.20 % 2.41 %
Home & Garden	5165 4893	4008 3720	1049 1040	108 133	77.60 % 76.03 %	20.31 % 21.25 %	2.09 % 2.72 %
Finance	4945 5137	4009 4115	821 891	115 131	81.07 % 80.11 %	16.60 % 17.34 %	2.33 % 2.55 %
Health	5011 4951	4045 3918	860 915	106 118	80.72 % 79.14 %	17.16 % 18.48 %	2.12 % 2.38 %
Pets	5249 5072	4011 3863	1122 1079	116 130	76.41 % 76.16 %	21.38 % 21.27 %	2.21 % 2.56 %
Sport & Fitness	4961 5207	3798 4012	1044 1066	119 129	76.56 % 77.05 %	21.04 % 20.47 %	2.40 % 2.48 %
Job & Career	5017 5172	3788 3821	1114 1232	115 119	75.50 % 73.88 %	22.20 % 23.82 %	2.29 % 2.30 %
Dating	5171 5040	3792 3645	1263 1258	116 137	73.33 % 72.32 %	24.42 % 24.96 %	2.24 % 2.72 %
Other	5111 5222	3983 4085	1017 995	111 142	77.93 % 78.23 %	19.90 % 19.05 %	2.17 % 2.72 %

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	4486 4720	3320 3466	1070 1142	96 112	74.01 % 73.43 %	23.85 % 24.19 %	2.14 % 2.37 %
Outlook Mail	4590 4670	3482 3471	1006 1081	102 118	75.86 % 74.33 %	21.92 % 23.15 %	2.22 % 2.53 %
Yahoo Mail	4804 4766	3675 3591	1029 1049	100 126	76.50 % 75.35 %	21.42 % 22.01 %	2.08 % 2.64 %
AOL Mail	4521 4630	3468 3488	949 1026	104 116	76.71 % 75.33 %	20.99 % 22.16 %	2.30 % 2.51 %
Mail.com	4696 4843	3687 3741	906 983	103 119	78.51 % 77.25 %	19.29 % 20.30 %	2.19 % 2.46 %
Yandex Mail	4875 4819	3719 3636	1047 1069	109 114	76.29 % 75.45 %	21.48 % 22.18 %	2.24 % 2.37 %
GMX Mail	4452 4755	3376 3565	977 1065	99 125	75.83 % 74.97 %	21.95 % 22.40 %	2.22 % 2.63 %
Zoho Mail	4689 4707	3696 3631	887 949	106 127	78.82 % 77.14 %	18.92 % 20.16 %	2.26 % 2.70 %
ProtonMail	4614 4638	3664 3624	850 892	100 122	79.41 % 78.14 %	18.42 % 19.23 %	2.17 % 2.63 %
Custom Mail	4463 4727	3580 3749	790 860	93 118	80.22 % 79.31 %	17.70 % 18.19 %	2.08 % 2.50 %
iCloud Mail	4618 4743	3339 3490	1177 1130	102 123	72.30 % 73.58 %	25.49 % 23.82 %	2.21 % 2.59 %
Tuta	4732 4845	3725 3787	903 938	104 120	78.72 % 78.16 %	19.08 % 19.36 %	2.20 % 2.48 %
Juno.com	4718 4791	3738 3767	866 901	114 123	79.23 % 78.63 %	18.36 % 18.81 %	2.42 % 2.57 %
Mailfence	4685 4628	3744 3626	842 884	99 118	79.91 % 78.35 %	17.97 % 19.10 %	2.11 % 2.55 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.