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
63.999 63.973	49.508 50.112	13.525 12.784	1.496 1.666

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 (%)
77.36 % 78.33 %	21.13 % 19.98 %	2.34 % 2.60 %

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	5051 4680	3954 3647	1018 974	113 124	78.28 % 77.93 %	20.15 % 20.81 %	2.24 % 2.65 %
Elektronics	5044 4774	3932 3773	1037 914	130 123	77.95 % 79.03 %	20.56 % 19.15 %	2.58 % 2.58 %
Entertainment	4979 5102	3850 3988	1060 1000	114 132	77.32 % 78.17 %	21.29 % 19.60 %	2.29 % 2.59 %
Cosmetics & Beauty	4990 4883	3870 3826	1021 990	115 129	77.56 % 78.35 %	20.46 % 20.27 %	2.30 % 2.64 %
Food & Drink	4820 4863	3750 3797	1007 1008	115 118	77.80 % 78.08 %	20.89 % 20.73 %	2.39 % 2.43 %
Home & Garden	4971 4976	3832 3888	1069 1016	112 127	77.09 % 78.14 %	21.50 % 20.42 %	2.25 % 2.55 %
Finance	4885 4956	3928 4015	915 842	114 140	80.41 % 81.01 %	18.73 % 16.99 %	2.33 % 2.82 %
Health	4897 4983	3866 4004	948 896	109 132	78.95 % 80.35 %	19.36 % 17.98 %	2.23 % 2.65 %
Pets	4883 4968	3717 3895	1085 981	116 132	76.12 % 78.40 %	22.22 % 19.75 %	2.38 % 2.66 %
Sport & Fitness	4858 4949	3731 3848	1040 1006	120 133	76.80 % 77.75 %	21.41 % 20.33 %	2.47 % 2.69 %
Job & Career	4694 5031	3523 3865	1090 1084	106 130	75.05 % 76.82 %	23.22 % 21.55 %	2.26 % 2.58 %
Dating	4718 4880	3480 3655	1156 1140	112 122	73.76 % 74.90 %	24.50 % 23.36 %	2.37 % 2.50 %
Other	5209 4928	4075 3911	1079 933	120 124	78.23 % 79.36 %	20.71 % 18.93 %	2.30 % 2.52 %

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	4749 4709	3539 3594	1123 1032	114 117	74.52 % 76.32 %	23.65 % 21.92 %	2.40 % 2.48 %
Outlook Mail	4801 4505	3655 3463	1057 966	116 120	76.13 % 76.87 %	22.02 % 21.44 %	2.42 % 2.66 %
Yahoo Mail	4664 4762	3558 3699	1011 1007	106 124	76.29 % 77.68 %	21.68 % 21.15 %	2.27 % 2.60 %
AOL Mail	4512 4603	3477 3576	958 946	105 121	77.06 % 77.69 %	21.23 % 20.55 %	2.33 % 2.63 %
Mail.com	4477 4887	3516 3873	887 937	107 128	78.53 % 79.25 %	19.81 % 19.17 %	2.39 % 2.62 %
Yandex Mail	4816 4565	3693 3565	1054 953	107 126	76.68 % 78.09 %	21.89 % 20.88 %	2.22 % 2.76 %
GMX Mail	4582 4561	3495 3484	1042 986	109 115	76.28 % 76.39 %	22.74 % 21.62 %	2.38 % 2.52 %
Zoho Mail	4636 4795	3606 3814	969 899	115 127	77.78 % 79.54 %	20.90 % 18.75 %	2.48 % 2.65 %
ProtonMail	4685 4616	3681 3720	940 833	106 116	78.57 % 80.59 %	20.06 % 18.05 %	2.26 % 2.51 %
Custom Mail	4758 4732	3782 3784	895 865	100 126	79.49 % 79.97 %	18.81 % 18.28 %	2.10 % 2.66 %
iCloud Mail	4667 4639	3484 3554	1136 1020	111 125	74.65 % 76.61 %	24.34 % 21.99 %	2.38 % 2.69 %
Tuta	4667 4582	3699 3641	929 861	112 117	79.26 % 79.46 %	19.91 % 18.79 %	2.40 % 2.55 %
Juno.com	4673 4724	3679 3767	927 848	117 120	78.73 % 79.74 %	19.84 % 17.95 %	2.50 % 2.54 %
Mailfence	3312 3293	2644 2578	597 631	71 84	79.83 % 78.29 %	18.03 % 19.16 %	2.14 % 2.55 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.