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
540.483 402.780	412.262 303.984	107.687 83.770	21.069 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 (%)
76.28 % 75.47 %	19.92 % 20.80 %	3.90 % 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	41392 30967	32657 24340	7282 5573	1516 1054	78.90 % 78.60 %	17.59 % 18.00 %	3.66 % 3.40 %
Elektronics	41334 30895	31860 23568	7982 6254	1525 1073	77.08 % 76.28 %	19.31 % 20.24 %	3.69 % 3.47 %
Entertainment	41622 31027	31703 23293	8295 6580	1627 1154	76.17 % 75.07 %	19.93 % 21.21 %	3.91 % 3.72 %
Cosmetics & Beauty	41603 30995	31719 23278	8337 6495	1612 1222	76.24 % 75.10 %	20.04 % 20.95 %	3.87 % 3.94 %
Food & Drink	41617 31626	32927 24770	7308 5807	1447 1049	79.12 % 78.32 %	17.56 % 18.36 %	3.48 % 3.32 %
Home & Garden	41806 31435	32922 24684	7393 5724	1550 1027	78.75 % 78.52 %	17.68 % 18.21 %	3.71 % 3.27 %
Finance	41990 31001	30775 22348	9514 7319	1751 1334	73.29 % 72.09 %	22.66 % 23.61 %	4.17 % 4.30 %
Health	41038 30974	30441 22552	8947 7177	1675 1245	74.18 % 72.81 %	21.80 % 23.17 %	4.08 % 4.02 %
Pets	42146 31300	32859 24299	7759 5924	1559 1077	77.96 % 77.63 %	18.41 % 18.93 %	3.70 % 3.44 %
Sport & Fitness	41859 30500	31437 22771	8771 6521	1692 1208	75.10 % 74.66 %	20.95 % 21.38 %	4.04 % 3.96 %
Job & Career	41297 30761	30826 22618	8756 6889	1760 1254	74.64 % 73.53 %	21.20 % 22.40 %	4.26 % 4.08 %
Dating	41795 30610	30105 21675	9894 7709	1829 1226	72.03 % 70.81 %	23.67 % 25.18 %	4.38 % 4.01 %
Other	40984 30689	32031 23788	7449 5798	1526 1103	78.15 % 77.51 %	18.18 % 18.89 %	3.72 % 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	50783 40872	36942 29396	11716 9825	2164 1651	72.74 % 71.92 %	23.07 % 24.04 %	4.26 % 4.04 %
Outlook Mail	50592 39335	37299 28795	11167 8946	2163 1594	73.73 % 73.20 %	22.07 % 22.74 %	4.28 % 4.05 %
Yahoo Mail	50611 39623	38304 29861	10344 8266	2014 1496	75.68 % 75.36 %	20.44 % 20.86 %	3.98 % 3.78 %
AOL Mail	49605 40403	37561 30219	10008 8592	2072 1592	75.72 % 74.79 %	20.18 % 21.27 %	4.18 % 3.94 %
Mail.com	51145 40085	39324 30627	9909 8007	1950 1451	76.89 % 76.41 %	19.37 % 19.98 %	3.81 % 3.62 %
Yandex Mail	51255 39964	38151 29495	11062 8908	2129 1561	74.43 % 73.80 %	21.58 % 22.29 %	4.15 % 3.91 %
GMX Mail	50233 39884	38550 30400	9835 8097	1862 1387	76.74 % 76.22 %	19.58 % 20.30 %	3.71 % 3.48 %
Zoho Mail	50707 39823	39469 30796	9484 7635	1801 1392	77.84 % 77.33 %	18.70 % 19.17 %	3.55 % 3.50 %
ProtonMail	50988 40373	39687 31130	9564 7817	1803 1426	77.84 % 77.11 %	18.76 % 19.36 %	3.54 % 3.53 %
Custom Mail	50909 40291	40142 31574	9036 7332	1784 1385	78.85 % 78.36 %	17.75 % 18.20 %	3.50 % 3.44 %
iCloud Mail	11115 712	8481 535	2148 141	533 36	76.30 % 75.14 %	19.33 % 19.80 %	4.80 % 5.06 %
Tuta	11128 725	9001 595	1722 106	420 24	80.89 % 82.07 %	15.47 % 14.62 %	3.77 % 3.31 %
Juno.com	11412 690	9351 561	1692 98	374 31	81.94 % 81.30 %	14.83 % 14.20 %	3.28 % 4.49 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.