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
530.277 136.673	403.712 112.088	105.972 18.804	20.815 4.589

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 (%)
76.13 % 82.01 %	19.98 % 13.76 %	3.93 % 3.36 %

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	40632 10319	32019 8666	7158 1246	1495 314	78.80 % 83.98 %	17.62 % 12.07 %	3.68 % 3.04 %
Elektronics	40546 10745	31196 8904	7859 1395	1502 341	76.94 % 82.87 %	19.38 % 12.98 %	3.70 % 3.17 %
Entertainment	40837 10652	31053 8724	8163 1469	1609 356	76.04 % 81.90 %	19.99 % 13.79 %	3.94 % 3.34 %
Cosmetics & Beauty	40751 10570	31012 8649	8190 1455	1590 365	76.10 % 81.83 %	20.10 % 13.77 %	3.90 % 3.45 %
Food & Drink	40859 10527	32285 8817	7170 1318	1432 321	79.02 % 83.76 %	17.55 % 12.52 %	3.50 % 3.05 %
Home & Garden	40992 10450	32241 8720	7253 1297	1528 345	78.65 % 83.44 %	17.69 % 12.41 %	3.73 % 3.30 %
Finance	41210 10332	30117 8300	9377 1584	1732 384	73.08 % 80.33 %	22.75 % 15.33 %	4.20 % 3.72 %
Health	40218 10370	29754 8403	8796 1500	1658 343	73.98 % 81.03 %	21.87 % 14.46 %	4.12 % 3.31 %
Pets	41399 10462	32229 8710	7638 1363	1542 296	77.85 % 83.25 %	18.45 % 13.03 %	3.72 % 2.83 %
Sport & Fitness	41096 10618	30802 8593	8650 1568	1672 376	74.95 % 80.93 %	21.05 % 14.77 %	4.07 % 3.54 %
Job & Career	40479 10594	30133 8436	8627 1622	1739 428	74.44 % 79.63 %	21.31 % 15.31 %	4.30 % 4.04 %
Dating	41028 10360	29477 8300	9762 1589	1810 390	71.85 % 80.12 %	23.79 % 15.34 %	4.41 % 3.76 %
Other	40230 10674	31394 8866	7329 1398	1506 330	78.04 % 83.06 %	18.22 % 13.10 %	3.74 % 3.09 %

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	50012 10631	36298 8243	11588 1843	2145 458	72.58 % 77.54 %	23.17 % 17.34 %	4.29 % 4.31 %
Outlook Mail	49777 10751	36623 8621	11025 1594	2142 416	73.57 % 80.19 %	22.15 % 14.83 %	4.30 % 3.87 %
Yahoo Mail	49762 10311	37606 8393	10191 1454	1994 358	75.57 % 81.40 %	20.48 % 14.10 %	4.01 % 3.47 %
AOL Mail	48893 10509	36967 8583	9893 1474	2056 347	75.61 % 81.67 %	20.23 % 14.03 %	4.21 % 3.30 %
Mail.com	50332 10553	38640 8705	9775 1399	1929 353	76.77 % 82.49 %	19.42 % 13.26 %	3.83 % 3.35 %
Yandex Mail	50448 10553	37471 8515	10910 1579	2108 387	74.28 % 80.69 %	21.63 % 14.96 %	4.18 % 3.67 %
GMX Mail	49450 10395	37906 8708	9706 1306	1844 293	76.66 % 83.77 %	19.63 % 12.56 %	3.73 % 2.82 %
Zoho Mail	49926 10626	38810 8853	9360 1355	1779 326	77.74 % 83.31 %	18.75 % 12.75 %	3.56 % 3.07 %
ProtonMail	50258 10615	39070 8923	9442 1280	1785 321	77.74 % 84.06 %	18.79 % 12.06 %	3.55 % 3.02 %
Custom Mail	50144 10277	39496 8652	8916 1215	1765 301	78.77 % 84.19 %	17.78 % 11.82 %	3.52 % 2.93 %
iCloud Mail	10260 10362	7751 8159	2000 1705	509 413	75.55 % 78.74 %	19.49 % 16.45 %	4.96 % 3.99 %
Tuta	10417 10686	8401 8928	1606 1363	403 332	80.65 % 83.55 %	15.42 % 12.76 %	3.87 % 3.11 %
Juno.com	10598 10404	8673 8805	1560 1237	356 284	81.84 % 84.63 %	14.72 % 11.89 %	3.36 % 2.73 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.