Constant Contact and Mailgun Email Deliverability Comparison

In this comparison, the deliverability of Constant Contact and Mailgun 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
464.675 70.621	351.590 59.074	94.581 9.097	18.504 2.450

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 (%)
75.66 % 83.65 %	20.35 % 12.88 %	3.98 % 3.47 %

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	35727 5455	28052 4694	6347 596	1328 165	78.52 % 86.05 %	17.77 % 10.93 %	3.72 % 3.02 %
Elektronics	35461 5506	27120 4688	7006 657	1335 161	76.48 % 85.14 %	19.76 % 11.93 %	3.76 % 2.92 %
Entertainment	35681 5486	26967 4572	7271 722	1443 192	75.58 % 83.34 %	20.38 % 13.16 %	4.04 % 3.50 %
Cosmetics & Beauty	35744 5455	27021 4544	7307 702	1416 209	75.60 % 83.30 %	20.44 % 12.87 %	3.96 % 3.83 %
Food & Drink	35835 5489	28231 4710	6336 607	1268 172	78.78 % 85.81 %	17.68 % 11.06 %	3.54 % 3.13 %
Home & Garden	35736 5259	28004 4502	6390 580	1342 177	78.36 % 85.61 %	17.88 % 11.03 %	3.76 % 3.37 %
Finance	36106 5406	26129 4393	8451 801	1526 212	72.37 % 81.26 %	23.41 % 14.82 %	4.23 % 3.92 %
Health	35266 5332	25854 4404	7940 743	1472 185	73.31 % 82.60 %	22.51 % 13.93 %	4.17 % 3.47 %
Pets	36215 5455	28096 4645	6755 649	1364 161	77.58 % 85.15 %	18.65 % 11.90 %	3.77 % 2.95 %
Sport & Fitness	36116 5451	26879 4507	7746 765	1491 179	74.42 % 82.68 %	21.45 % 14.03 %	4.13 % 3.28 %
Job & Career	35458 5428	26203 4379	7699 809	1556 240	73.90 % 80.67 %	21.71 % 14.90 %	4.39 % 4.42 %
Dating	36050 5361	25599 4345	8831 803	1620 213	71.01 % 81.05 %	24.50 % 14.98 %	4.49 % 3.97 %
Other	35280 5538	27435 4691	6502 663	1343 184	77.76 % 84.71 %	18.43 % 11.97 %	3.81 % 3.32 %

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	44943 5348	32430 4174	10589 941	1924 233	72.16 % 78.05 %	23.56 % 17.60 %	4.28 % 4.36 %
Outlook Mail	44648 5402	32601 4410	10084 775	1963 217	73.02 % 81.64 %	22.59 % 14.35 %	4.40 % 4.02 %
Yahoo Mail	44741 5309	33650 4413	9288 707	1803 189	75.21 % 83.12 %	20.76 % 13.32 %	4.03 % 3.56 %
AOL Mail	43892 5513	32975 4578	9019 737	1898 198	75.13 % 83.04 %	20.55 % 13.37 %	4.32 % 3.59 %
Mail.com	45122 5534	34478 4667	8886 685	1758 182	76.41 % 84.33 %	19.69 % 12.38 %	3.90 % 3.29 %
Yandex Mail	45262 5457	33399 4455	9950 785	1913 217	73.79 % 81.64 %	21.98 % 14.39 %	4.23 % 3.98 %
GMX Mail	44538 5358	33970 4596	8898 605	1670 157	76.27 % 85.78 %	19.98 % 11.29 %	3.75 % 2.93 %
Zoho Mail	44928 5534	34771 4721	8541 639	1616 174	77.39 % 85.31 %	19.01 % 11.55 %	3.60 % 3.14 %
ProtonMail	45185 5446	34954 4692	8611 579	1620 175	77.36 % 86.15 %	19.06 % 10.63 %	3.59 % 3.21 %
Custom Mail	45252 5320	35527 4603	8116 559	1609 158	78.51 % 86.52 %	17.94 % 10.51 %	3.56 % 2.97 %
iCloud Mail	5341 5359	3987 4262	1053 875	301 222	74.65 % 79.53 %	19.72 % 16.33 %	5.64 % 4.14 %
Tuta	5338 5523	4328 4720	783 628	227 175	81.08 % 85.46 %	14.67 % 11.37 %	4.25 % 3.17 %
Juno.com	5485 5518	4520 4783	763 582	202 153	82.41 % 86.68 %	13.91 % 10.55 %	3.68 % 2.77 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.