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
438.027 44.017	330.244 36.811	90.425 5.653	17.358 1.553

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 (%)
75.39 % 83.63 %	20.64 % 12.84 %	3.96 % 3.53 %

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	33667 3375	26349 2897	6066 370	1252 108	78.26 % 85.84 %	18.02 % 10.96 %	3.72 % 3.20 %
Elektronics	33415 3485	25454 2961	6709 420	1252 104	76.18 % 84.96 %	20.08 % 12.05 %	3.75 % 2.98 %
Entertainment	33654 3422	25335 2847	6954 448	1365 127	75.28 % 83.20 %	20.66 % 13.09 %	4.06 % 3.71 %
Cosmetics & Beauty	33691 3408	25389 2839	6984 438	1318 131	75.36 % 83.30 %	20.73 % 12.85 %	3.91 % 3.84 %
Food & Drink	33730 3326	26488 2871	6044 358	1198 97	78.53 % 86.32 %	17.92 % 10.76 %	3.55 % 2.92 %
Home & Garden	33744 3289	26361 2817	6115 361	1268 111	78.12 % 85.65 %	18.12 % 10.98 %	3.76 % 3.37 %
Finance	34034 3340	24516 2716	8084 492	1434 132	72.03 % 81.32 %	23.75 % 14.73 %	4.21 % 3.95 %
Health	33220 3298	24247 2723	7604 460	1369 115	72.99 % 82.57 %	22.89 % 13.95 %	4.12 % 3.49 %
Pets	34152 3447	26407 2919	6455 412	1290 116	77.32 % 84.68 %	18.90 % 11.95 %	3.78 % 3.37 %
Sport & Fitness	34038 3432	25245 2840	7395 478	1398 114	74.17 % 82.75 %	21.73 % 13.93 %	4.11 % 3.32 %
Job & Career	33428 3383	24634 2723	7343 505	1451 155	73.69 % 80.49 %	21.97 % 14.93 %	4.34 % 4.58 %
Dating	34008 3357	24034 2722	8468 500	1506 135	70.67 % 81.08 %	24.90 % 14.89 %	4.43 % 4.02 %
Other	33246 3455	25785 2936	6204 411	1257 108	77.56 % 84.98 %	18.66 % 11.90 %	3.78 % 3.13 %

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	42858 3389	30887 2640	10167 592	1804 157	72.07 % 77.90 %	23.72 % 17.47 %	4.21 % 4.63 %
Outlook Mail	42630 3331	31015 2726	9740 471	1875 134	72.75 % 81.84 %	22.85 % 14.14 %	4.40 % 4.02 %
Yahoo Mail	42656 3275	31978 2722	8946 433	1732 120	74.97 % 83.11 %	20.97 % 13.22 %	4.06 % 3.66 %
AOL Mail	41862 3411	31371 2835	8692 455	1799 121	74.94 % 83.11 %	20.76 % 13.34 %	4.30 % 3.55 %
Mail.com	43040 3478	32797 2931	8571 431	1672 116	76.20 % 84.27 %	19.91 % 12.39 %	3.88 % 3.34 %
Yandex Mail	43141 3358	31731 2749	9594 482	1816 127	73.55 % 81.86 %	22.24 % 14.35 %	4.21 % 3.78 %
GMX Mail	42456 3384	32271 2890	8603 385	1582 109	76.01 % 85.40 %	20.26 % 11.38 %	3.73 % 3.22 %
Zoho Mail	42893 3471	33094 2971	8256 404	1543 96	77.15 % 85.59 %	19.25 % 11.64 %	3.60 % 2.77 %
ProtonMail	43164 3488	33274 2996	8345 370	1545 122	77.09 % 85.89 %	19.33 % 10.61 %	3.58 % 3.50 %
Custom Mail	43176 3336	33800 2876	7842 349	1534 111	78.28 % 86.21 %	18.16 % 10.46 %	3.55 % 3.33 %
iCloud Mail	3319 3353	2465 2661	667 548	187 144	74.27 % 79.36 %	20.10 % 16.34 %	5.63 % 4.29 %
Tuta	3385 3362	2739 2886	508 379	138 97	80.92 % 85.84 %	15.01 % 11.27 %	4.08 % 2.89 %
Juno.com	3447 3381	2822 2928	494 354	131 99	81.87 % 86.60 %	14.33 % 10.47 %	3.80 % 2.93 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.