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
393.251 393.672	294.842 296.739	83.028 82.307	15.381 14.626

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 (%)
74.98 % 75.38 %	21.11 % 20.91 %	3.91 % 3.72 %

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	30289 30274	23603 23775	5572 5473	1114 1026	77.93 % 78.53 %	18.40 % 18.08 %	3.68 % 3.39 %
Elektronics	29996 30223	22720 23017	6168 6154	1108 1052	75.74 % 76.16 %	20.56 % 20.36 %	3.69 % 3.48 %
Entertainment	30230 30317	22614 22736	6388 6463	1228 1118	74.81 % 74.99 %	21.13 % 21.32 %	4.06 % 3.69 %
Cosmetics & Beauty	30328 30260	22712 22698	6431 6374	1185 1188	74.89 % 75.01 %	21.20 % 21.06 %	3.91 % 3.93 %
Food & Drink	30285 30942	23689 24208	5542 5712	1054 1022	78.22 % 78.24 %	18.30 % 18.46 %	3.48 % 3.30 %
Home & Garden	30279 30694	23551 24073	5605 5614	1123 1007	77.78 % 78.43 %	18.51 % 18.29 %	3.71 % 3.28 %
Finance	30621 30341	21898 21846	7449 7200	1274 1295	71.51 % 72.00 %	24.33 % 23.73 %	4.16 % 4.27 %
Health	29732 30289	21527 22012	6991 7063	1214 1214	72.40 % 72.67 %	23.51 % 23.32 %	4.08 % 4.01 %
Pets	30751 30566	23678 23698	5932 5816	1141 1052	77.00 % 77.53 %	19.29 % 19.03 %	3.71 % 3.44 %
Sport & Fitness	30640 29824	22601 22242	6805 6407	1234 1175	73.76 % 74.58 %	22.21 % 21.48 %	4.03 % 3.94 %
Job & Career	29852 30064	21926 22082	6672 6763	1254 1219	73.45 % 73.45 %	22.35 % 22.50 %	4.20 % 4.05 %
Dating	30489 29913	21335 21140	7809 7581	1345 1192	69.98 % 70.67 %	25.61 % 25.34 %	4.41 % 3.98 %
Other	29759 29965	22988 23212	5664 5687	1107 1066	77.25 % 77.46 %	19.03 % 18.98 %	3.72 % 3.56 %

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	39403 40208	28327 28900	9442 9689	1634 1619	71.89 % 71.88 %	23.96 % 24.10 %	4.15 % 4.03 %
Outlook Mail	39123 38653	28321 28264	9106 8822	1696 1567	72.39 % 73.12 %	23.28 % 22.82 %	4.34 % 4.05 %
Yahoo Mail	39263 38948	29312 29323	8378 8157	1573 1468	74.66 % 75.29 %	21.34 % 20.94 %	4.01 % 3.77 %
AOL Mail	38346 39683	28638 29658	8094 8474	1614 1551	74.68 % 74.74 %	21.11 % 21.35 %	4.21 % 3.91 %
Mail.com	39548 39394	30015 30076	8010 7901	1523 1417	75.90 % 76.35 %	20.25 % 20.06 %	3.85 % 3.60 %
Yandex Mail	39615 39304	28986 28975	8965 8794	1664 1535	73.17 % 73.72 %	22.63 % 22.37 %	4.20 % 3.91 %
GMX Mail	39002 39192	29463 29837	8081 7995	1458 1360	75.54 % 76.13 %	20.72 % 20.40 %	3.74 % 3.47 %
Zoho Mail	39547 39078	30387 30189	7757 7527	1403 1362	76.84 % 77.25 %	19.61 % 19.26 %	3.55 % 3.49 %
ProtonMail	39681 39631	30410 30520	7848 7715	1423 1396	76.64 % 77.01 %	19.78 % 19.47 %	3.59 % 3.52 %
Custom Mail	39723 39581	30983 30997	7347 7233	1393 1351	78.00 % 78.31 %	18.50 % 18.27 %	3.51 % 3.41 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.