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
455.754 402.780	344.481 303.984	93.172 83.770	18.101 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 (%)
75.58 % 75.47 %	20.44 % 20.80 %	3.97 % 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	35042 30967	27485 24340	6251 5573	1306 1054	78.43 % 78.60 %	17.84 % 18.00 %	3.73 % 3.40 %
Elektronics	34751 30895	26548 23568	6901 6254	1302 1073	76.39 % 76.28 %	19.86 % 20.24 %	3.75 % 3.47 %
Entertainment	35026 31027	26451 23293	7165 6580	1410 1154	75.52 % 75.07 %	20.46 % 21.21 %	4.03 % 3.72 %
Cosmetics & Beauty	35062 30995	26483 23278	7197 6495	1382 1222	75.53 % 75.10 %	20.53 % 20.95 %	3.94 % 3.94 %
Food & Drink	35174 31626	27683 24770	6246 5807	1245 1049	78.70 % 78.32 %	17.76 % 18.36 %	3.54 % 3.32 %
Home & Garden	35075 31435	27461 24684	6299 5724	1315 1027	78.29 % 78.52 %	17.96 % 18.21 %	3.75 % 3.27 %
Finance	35400 31001	25579 22348	8325 7319	1496 1334	72.26 % 72.09 %	23.52 % 23.61 %	4.23 % 4.30 %
Health	34611 30974	25334 22552	7833 7177	1444 1245	73.20 % 72.81 %	22.63 % 23.17 %	4.17 % 4.02 %
Pets	35515 31300	27532 24299	6653 5924	1330 1077	77.52 % 77.63 %	18.73 % 18.93 %	3.74 % 3.44 %
Sport & Fitness	35393 30500	26310 22771	7624 6521	1459 1208	74.34 % 74.66 %	21.54 % 21.38 %	4.12 % 3.96 %
Job & Career	34743 30761	25648 22618	7574 6889	1521 1254	73.82 % 73.53 %	21.80 % 22.40 %	4.38 % 4.08 %
Dating	35344 30610	25058 21675	8702 7709	1584 1226	70.90 % 70.81 %	24.62 % 25.18 %	4.48 % 4.01 %
Other	34618 30689	26909 23788	6402 5798	1307 1103	77.73 % 77.51 %	18.49 % 18.89 %	3.78 % 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, SendInBlue is better than Constant Contact.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	44239 40872	31905 29396	10444 9825	1890 1651	72.12 % 71.92 %	23.61 % 24.04 %	4.27 % 4.04 %
Outlook Mail	43937 39335	32041 28795	9961 8946	1935 1594	72.92 % 73.20 %	22.67 % 22.74 %	4.40 % 4.05 %
Yahoo Mail	44012 39623	33068 29861	9170 8266	1774 1496	75.13 % 75.36 %	20.84 % 20.86 %	4.03 % 3.78 %
AOL Mail	43244 40403	32467 30219	8913 8592	1864 1592	75.08 % 74.79 %	20.61 % 21.27 %	4.31 % 3.94 %
Mail.com	44440 40085	33930 30627	8781 8007	1729 1451	76.35 % 76.41 %	19.76 % 19.98 %	3.89 % 3.62 %
Yandex Mail	44557 39964	32851 29495	9829 8908	1877 1561	73.73 % 73.80 %	22.06 % 22.29 %	4.21 % 3.91 %
GMX Mail	43833 39884	33394 30400	8799 8097	1640 1387	76.18 % 76.22 %	20.07 % 20.30 %	3.74 % 3.48 %
Zoho Mail	44280 39823	34245 30796	8448 7635	1587 1392	77.34 % 77.33 %	19.08 % 19.17 %	3.58 % 3.50 %
ProtonMail	44514 40373	34397 31130	8521 7817	1596 1426	77.27 % 77.11 %	19.14 % 19.36 %	3.59 % 3.53 %
Custom Mail	44546 40291	34950 31574	8021 7332	1575 1385	78.46 % 78.36 %	18.01 % 18.20 %	3.54 % 3.44 %
iCloud Mail	4663 712	3484 535	923 141	256 36	74.72 % 75.14 %	19.79 % 19.80 %	5.49 % 5.06 %
Tuta	4649 725	3767 595	685 106	197 24	81.03 % 82.07 %	14.73 % 14.62 %	4.24 % 3.31 %
Juno.com	4840 690	3982 561	677 98	181 31	82.27 % 81.30 %	13.99 % 14.20 %	3.74 % 4.49 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.