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
455.754 61.832	344.481 51.727	93.172 7.939	18.101 2.166

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 (%)
75.58 % 83.66 %	20.44 % 12.84 %	3.97 % 3.50 %

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	35042 4767	27485 4106	6251 518	1306 143	78.43 % 86.13 %	17.84 % 10.87 %	3.73 % 3.00 %
Elektronics	34751 4874	26548 4152	6901 580	1302 142	76.39 % 85.19 %	19.86 % 11.90 %	3.75 % 2.91 %
Entertainment	35026 4794	26451 3993	7165 632	1410 169	75.52 % 83.29 %	20.46 % 13.18 %	4.03 % 3.53 %
Cosmetics & Beauty	35062 4784	26483 3991	7197 613	1382 180	75.53 % 83.42 %	20.53 % 12.81 %	3.94 % 3.76 %
Food & Drink	35174 4759	27683 4089	6246 519	1245 151	78.70 % 85.92 %	17.76 % 10.91 %	3.54 % 3.17 %
Home & Garden	35075 4617	27461 3955	6299 508	1315 154	78.29 % 85.66 %	17.96 % 11.00 %	3.75 % 3.34 %
Finance	35400 4732	25579 3841	8325 700	1496 191	72.26 % 81.17 %	23.52 % 14.79 %	4.23 % 4.04 %
Health	34611 4670	25334 3855	7833 651	1444 164	73.20 % 82.55 %	22.63 % 13.94 %	4.17 % 3.51 %
Pets	35515 4823	27532 4101	6653 571	1330 151	77.52 % 85.03 %	18.73 % 11.84 %	3.74 % 3.13 %
Sport & Fitness	35393 4744	26310 3918	7624 665	1459 161	74.34 % 82.59 %	21.54 % 14.02 %	4.12 % 3.39 %
Job & Career	34743 4768	25648 3842	7574 710	1521 216	73.82 % 80.58 %	21.80 % 14.89 %	4.38 % 4.53 %
Dating	35344 4695	25058 3808	8702 701	1584 186	70.90 % 81.11 %	24.62 % 14.93 %	4.48 % 3.96 %
Other	34618 4805	26909 4076	6402 571	1307 158	77.73 % 84.83 %	18.49 % 11.88 %	3.78 % 3.29 %

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	44239 4684	31905 3649	10444 821	1890 214	72.12 % 77.90 %	23.61 % 17.53 %	4.27 % 4.57 %
Outlook Mail	43937 4710	32041 3851	9961 670	1935 189	72.92 % 81.76 %	22.67 % 14.23 %	4.40 % 4.01 %
Yahoo Mail	44012 4666	33068 3887	9170 618	1774 161	75.13 % 83.30 %	20.84 % 13.24 %	4.03 % 3.45 %
AOL Mail	43244 4831	32467 4015	8913 642	1864 174	75.08 % 83.11 %	20.61 % 13.29 %	4.31 % 3.60 %
Mail.com	44440 4833	33930 4080	8781 597	1729 156	76.35 % 84.42 %	19.76 % 12.35 %	3.89 % 3.23 %
Yandex Mail	44557 4769	32851 3895	9829 684	1877 190	73.73 % 81.67 %	22.06 % 14.34 %	4.21 % 3.98 %
GMX Mail	43833 4732	33394 4054	8799 535	1640 143	76.18 % 85.67 %	20.07 % 11.31 %	3.74 % 3.02 %
Zoho Mail	44280 4861	34245 4152	8448 562	1587 147	77.34 % 85.41 %	19.08 % 11.56 %	3.58 % 3.02 %
ProtonMail	44514 4769	34397 4106	8521 507	1596 156	77.27 % 86.10 %	19.14 % 10.63 %	3.59 % 3.27 %
Custom Mail	44546 4632	34950 4010	8021 483	1575 139	78.46 % 86.57 %	18.01 % 10.43 %	3.54 % 3.00 %
iCloud Mail	4663 4709	3484 3736	923 768	256 205	74.72 % 79.34 %	19.79 % 16.31 %	5.49 % 4.35 %
Tuta	4649 4827	3767 4128	685 547	197 152	81.03 % 85.52 %	14.73 % 11.33 %	4.24 % 3.15 %
Juno.com	4840 4809	3982 4164	677 505	181 140	82.27 % 86.59 %	13.99 % 10.50 %	3.74 % 2.91 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.