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 SendInBlue than for Constant Contact.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
402.367 402.780	301.987 303.984	84.582 83.770	15.798 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. SendInBlue beats Constant Contact in this comparison.

Inbox (%)	Spam (%)	Lost (%)
75.05 % 75.47 %	21.02 % 20.80 %	3.93 % 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, SendInBlue is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	30976 30967	24160 24340	5678 5573	1138 1054	78.00 % 78.60 %	18.33 % 18.00 %	3.67 % 3.40 %
Elektronics	30708 30895	23290 23568	6280 6254	1138 1073	75.84 % 76.28 %	20.45 % 20.24 %	3.71 % 3.47 %
Entertainment	30913 31027	23150 23293	6503 6580	1260 1154	74.89 % 75.07 %	21.04 % 21.21 %	4.08 % 3.72 %
Cosmetics & Beauty	30980 30995	23228 23278	6542 6495	1210 1222	74.98 % 75.10 %	21.12 % 20.95 %	3.91 % 3.94 %
Food & Drink	30988 31626	24258 24770	5647 5807	1083 1049	78.28 % 78.32 %	18.22 % 18.36 %	3.49 % 3.32 %
Home & Garden	30946 31435	24077 24684	5710 5724	1159 1027	77.80 % 78.52 %	18.45 % 18.21 %	3.75 % 3.27 %
Finance	31323 31001	22433 22348	7585 7319	1305 1334	71.62 % 72.09 %	24.22 % 23.61 %	4.17 % 4.30 %
Health	30494 30974	22117 22552	7128 7177	1249 1245	72.53 % 72.81 %	23.38 % 23.17 %	4.10 % 4.02 %
Pets	31453 31300	24236 24299	6044 5924	1173 1077	77.05 % 77.63 %	19.22 % 18.93 %	3.73 % 3.44 %
Sport & Fitness	31287 30500	23098 22771	6922 6521	1267 1208	73.83 % 74.66 %	22.12 % 21.38 %	4.05 % 3.96 %
Job & Career	30585 30761	22476 22618	6813 6889	1296 1254	73.49 % 73.53 %	22.28 % 22.40 %	4.24 % 4.08 %
Dating	31242 30610	21915 21675	7953 7709	1374 1226	70.15 % 70.81 %	25.46 % 25.18 %	4.40 % 4.01 %
Other	30472 30689	23549 23788	5777 5798	1146 1103	77.28 % 77.51 %	18.96 % 18.89 %	3.76 % 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	40118 40872	28861 29396	9595 9825	1662 1651	71.94 % 71.92 %	23.92 % 24.04 %	4.14 % 4.04 %
Outlook Mail	39859 39335	28875 28795	9246 8946	1738 1594	72.44 % 73.20 %	23.20 % 22.74 %	4.36 % 4.05 %
Yahoo Mail	39996 39623	29886 29861	8505 8266	1605 1496	74.72 % 75.36 %	21.26 % 20.86 %	4.01 % 3.78 %
AOL Mail	39056 40403	29184 30219	8220 8592	1652 1592	74.72 % 74.79 %	21.05 % 21.27 %	4.23 % 3.94 %
Mail.com	40259 40085	30571 30627	8129 8007	1559 1451	75.94 % 76.41 %	20.19 % 19.98 %	3.87 % 3.62 %
Yandex Mail	40334 39964	29556 29495	9093 8908	1685 1561	73.28 % 73.80 %	22.54 % 22.29 %	4.18 % 3.91 %
GMX Mail	39713 39884	30042 30400	8191 8097	1480 1387	75.65 % 76.22 %	20.63 % 20.30 %	3.73 % 3.48 %
Zoho Mail	40186 39823	30900 30796	7856 7635	1430 1392	76.89 % 77.33 %	19.55 % 19.17 %	3.56 % 3.50 %
ProtonMail	40393 40373	30993 31130	7951 7817	1449 1426	76.73 % 77.11 %	19.68 % 19.36 %	3.59 % 3.53 %
Custom Mail	40422 40291	31547 31574	7450 7332	1425 1385	78.04 % 78.36 %	18.43 % 18.20 %	3.53 % 3.44 %
iCloud Mail	655 712	478 535	136 141	41 36	72.98 % 75.14 %	20.76 % 19.80 %	6.26 % 5.06 %
Tuta	683 725	537 595	107 106	39 24	78.62 % 82.07 %	15.67 % 14.62 %	5.71 % 3.31 %
Juno.com	693 690	557 561	103 98	33 31	80.38 % 81.30 %	14.86 % 14.20 %	4.76 % 4.49 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.