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
65.108 65.457	50.027 49.992	13.594 13.772	1.487 1.693

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 (%)
76.84 % 76.37 %	20.88 % 21.04 %	2.28 % 2.59 %

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	5003 4789	3890 3623	1011 1037	102 129	77.75 % 75.65 %	20.21 % 21.65 %	2.04 % 2.69 %
Elektronics	4994 4926	3875 3784	998 1023	121 119	77.59 % 76.82 %	19.98 % 20.77 %	2.42 % 2.42 %
Entertainment	4888 5074	3723 3868	1050 1073	115 133	76.17 % 76.23 %	21.48 % 21.15 %	2.35 % 2.62 %
Cosmetics & Beauty	4954 5140	3827 3913	1017 1097	110 130	77.25 % 76.13 %	20.53 % 21.34 %	2.22 % 2.53 %
Food & Drink	4881 5050	3760 3825	1006 1104	115 121	77.03 % 75.74 %	20.61 % 21.86 %	2.36 % 2.40 %
Home & Garden	5164 4925	3981 3745	1073 1054	110 126	77.09 % 76.04 %	20.78 % 21.40 %	2.13 % 2.56 %
Finance	5006 5060	4057 4068	832 852	117 140	81.04 % 80.40 %	16.62 % 16.84 %	2.34 % 2.77 %
Health	4959 4980	3945 3959	900 890	114 131	79.55 % 79.50 %	18.15 % 17.87 %	2.30 % 2.63 %
Pets	5179 5077	3911 3892	1143 1051	125 134	75.52 % 76.66 %	22.07 % 20.70 %	2.41 % 2.64 %
Sport & Fitness	5062 5187	3851 3937	1090 1106	121 144	76.08 % 75.90 %	21.53 % 21.32 %	2.39 % 2.78 %
Job & Career	4784 5011	3538 3700	1140 1189	106 122	73.95 % 73.84 %	23.83 % 23.73 %	2.22 % 2.43 %
Dating	5029 5086	3637 3651	1277 1303	115 132	72.32 % 71.79 %	25.39 % 25.62 %	2.29 % 2.60 %
Other	5205 5152	4032 4027	1057 993	116 132	77.46 % 78.16 %	20.31 % 19.27 %	2.23 % 2.56 %

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	4665 4727	3427 3484	1133 1128	105 115	73.46 % 73.70 %	24.29 % 23.86 %	2.25 % 2.43 %
Outlook Mail	4729 4400	3527 3264	1091 1018	111 118	74.58 % 74.18 %	23.07 % 23.14 %	2.35 % 2.68 %
Yahoo Mail	4699 4699	3550 3522	1040 1049	109 128	75.55 % 74.95 %	22.13 % 22.32 %	2.32 % 2.72 %
AOL Mail	4477 4621	3422 3484	957 1013	98 124	76.44 % 75.39 %	21.38 % 21.92 %	2.19 % 2.68 %
Mail.com	4529 4980	3538 3850	885 1004	106 126	78.12 % 77.31 %	19.54 % 20.16 %	2.34 % 2.53 %
Yandex Mail	4855 4626	3696 3497	1053 1015	106 114	76.13 % 75.59 %	21.69 % 21.94 %	2.18 % 2.46 %
GMX Mail	4457 4608	3340 3420	1013 1072	104 116	74.94 % 74.22 %	22.73 % 23.26 %	2.33 % 2.52 %
Zoho Mail	4671 4815	3647 3732	908 958	116 125	78.08 % 77.51 %	19.44 % 19.90 %	2.48 % 2.60 %
ProtonMail	4629 4573	3643 3605	884 850	102 118	78.70 % 78.83 %	19.10 % 18.59 %	2.20 % 2.58 %
Custom Mail	4605 4742	3699 3741	812 883	94 118	80.33 % 78.89 %	17.63 % 18.62 %	2.04 % 2.49 %
iCloud Mail	4625 4615	3333 3379	1183 1109	109 127	72.06 % 73.22 %	25.58 % 24.03 %	2.36 % 2.75 %
Tuta	4627 4704	3649 3681	872 896	106 127	78.86 % 78.25 %	18.85 % 19.05 %	2.29 % 2.70 %
Juno.com	4702 4580	3704 3593	880 873	118 114	78.77 % 78.45 %	18.72 % 19.06 %	2.51 % 2.49 %
Mailfence	4838 4767	3852 3740	883 904	103 123	79.62 % 78.46 %	18.25 % 18.96 %	2.13 % 2.58 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.