Constant Contact and SendInBlue Email Deliverability Comparison

In this comparison, the deliverability of Constant Contact and SendInBlue 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 Constant Contact than for SendInBlue.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
464.675 402.780	351.590 303.984	94.581 83.770	18.504 15.026

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. Constant Contact beats SendInBlue in this comparison.

Inbox (%)	Spam (%)	Lost (%)
75.66 % 75.47 %	20.35 % 20.80 %	3.98 % 3.73 %

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, Constant Contact is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	35727 30967	28052 24340	6347 5573	1328 1054	78.52 % 78.60 %	17.77 % 18.00 %	3.72 % 3.40 %
Elektronics	35461 30895	27120 23568	7006 6254	1335 1073	76.48 % 76.28 %	19.76 % 20.24 %	3.76 % 3.47 %
Entertainment	35681 31027	26967 23293	7271 6580	1443 1154	75.58 % 75.07 %	20.38 % 21.21 %	4.04 % 3.72 %
Cosmetics & Beauty	35744 30995	27021 23278	7307 6495	1416 1222	75.60 % 75.10 %	20.44 % 20.95 %	3.96 % 3.94 %
Food & Drink	35835 31626	28231 24770	6336 5807	1268 1049	78.78 % 78.32 %	17.68 % 18.36 %	3.54 % 3.32 %
Home & Garden	35736 31435	28004 24684	6390 5724	1342 1027	78.36 % 78.52 %	17.88 % 18.21 %	3.76 % 3.27 %
Finance	36106 31001	26129 22348	8451 7319	1526 1334	72.37 % 72.09 %	23.41 % 23.61 %	4.23 % 4.30 %
Health	35266 30974	25854 22552	7940 7177	1472 1245	73.31 % 72.81 %	22.51 % 23.17 %	4.17 % 4.02 %
Pets	36215 31300	28096 24299	6755 5924	1364 1077	77.58 % 77.63 %	18.65 % 18.93 %	3.77 % 3.44 %
Sport & Fitness	36116 30500	26879 22771	7746 6521	1491 1208	74.42 % 74.66 %	21.45 % 21.38 %	4.13 % 3.96 %
Job & Career	35458 30761	26203 22618	7699 6889	1556 1254	73.90 % 73.53 %	21.71 % 22.40 %	4.39 % 4.08 %
Dating	36050 30610	25599 21675	8831 7709	1620 1226	71.01 % 70.81 %	24.50 % 25.18 %	4.49 % 4.01 %
Other	35280 30689	27435 23788	6502 5798	1343 1103	77.76 % 77.51 %	18.43 % 18.89 %	3.81 % 3.59 %

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, Constant Contact is better than SendInBlue.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	44943 40872	32430 29396	10589 9825	1924 1651	72.16 % 71.92 %	23.56 % 24.04 %	4.28 % 4.04 %
Outlook Mail	44648 39335	32601 28795	10084 8946	1963 1594	73.02 % 73.20 %	22.59 % 22.74 %	4.40 % 4.05 %
Yahoo Mail	44741 39623	33650 29861	9288 8266	1803 1496	75.21 % 75.36 %	20.76 % 20.86 %	4.03 % 3.78 %
AOL Mail	43892 40403	32975 30219	9019 8592	1898 1592	75.13 % 74.79 %	20.55 % 21.27 %	4.32 % 3.94 %
Mail.com	45122 40085	34478 30627	8886 8007	1758 1451	76.41 % 76.41 %	19.69 % 19.98 %	3.90 % 3.62 %
Yandex Mail	45262 39964	33399 29495	9950 8908	1913 1561	73.79 % 73.80 %	21.98 % 22.29 %	4.23 % 3.91 %
GMX Mail	44538 39884	33970 30400	8898 8097	1670 1387	76.27 % 76.22 %	19.98 % 20.30 %	3.75 % 3.48 %
Zoho Mail	44928 39823	34771 30796	8541 7635	1616 1392	77.39 % 77.33 %	19.01 % 19.17 %	3.60 % 3.50 %
ProtonMail	45185 40373	34954 31130	8611 7817	1620 1426	77.36 % 77.11 %	19.06 % 19.36 %	3.59 % 3.53 %
Custom Mail	45252 40291	35527 31574	8116 7332	1609 1385	78.51 % 78.36 %	17.94 % 18.20 %	3.56 % 3.44 %
iCloud Mail	5341 712	3987 535	1053 141	301 36	74.65 % 75.14 %	19.72 % 19.80 %	5.64 % 5.06 %
Tuta	5338 725	4328 595	783 106	227 24	81.08 % 82.07 %	14.67 % 14.62 %	4.25 % 3.31 %
Juno.com	5485 690	4520 561	763 98	202 31	82.41 % 81.30 %	13.91 % 14.20 %	3.68 % 4.49 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.