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
181.495 182.453	126.500 126.415	48.726 50.192	6.269 5.846

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 (%)
69.70 % 69.29 %	26.85 % 27.51 %	3.45 % 3.20 %

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	13996 14117	10272 10361	3263 3330	461 426	73.39 % 73.39 %	23.31 % 23.59 %	3.29 % 3.02 %
Elektronics	13880 14020	9735 9746	3690 3846	455 428	70.14 % 69.51 %	26.59 % 27.43 %	3.28 % 3.05 %
Entertainment	13894 14256	9671 9773	3728 4002	495 481	69.61 % 68.55 %	26.83 % 28.07 %	3.56 % 3.37 %
Cosmetics & Beauty	13963 14106	9709 9729	3765 3901	489 476	69.53 % 68.97 %	26.96 % 27.65 %	3.50 % 3.37 %
Food & Drink	13809 14588	10170 10600	3203 3556	436 432	73.65 % 72.66 %	23.20 % 24.38 %	3.16 % 2.96 %
Home & Garden	14061 14205	10299 10371	3284 3421	478 413	73.25 % 73.01 %	23.36 % 24.08 %	3.40 % 2.91 %
Finance	14354 13872	9377 9052	4484 4343	493 477	65.33 % 65.25 %	31.24 % 31.31 %	3.43 % 3.44 %
Health	13872 13979	9147 9115	4238 4402	487 462	65.94 % 65.20 %	30.55 % 31.49 %	3.51 % 3.30 %
Pets	14316 14202	10422 10295	3426 3472	468 435	72.80 % 72.49 %	23.93 % 24.45 %	3.27 % 3.06 %
Sport & Fitness	14258 13534	9801 9308	3945 3759	512 467	68.74 % 68.77 %	27.67 % 27.77 %	3.59 % 3.45 %
Job & Career	13432 13738	9234 9373	3685 3927	513 438	68.75 % 68.23 %	27.43 % 28.58 %	3.82 % 3.19 %
Dating	13955 13831	8645 8550	4789 4822	521 459	61.95 % 61.82 %	34.32 % 34.86 %	3.73 % 3.32 %
Other	13705 14005	10018 10142	3226 3411	461 452	73.10 % 72.42 %	23.54 % 24.36 %	3.36 % 3.23 %

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	18205 18932	11930 12244	5635 6069	640 619	65.53 % 64.67 %	30.95 % 32.06 %	3.52 % 3.27 %
Outlook Mail	17933 17499	11950 11647	5323 5256	660 596	66.64 % 66.56 %	29.68 % 30.04 %	3.68 % 3.41 %
Yahoo Mail	18014 17796	12599 12448	4783 4762	632 586	69.94 % 69.95 %	26.55 % 26.76 %	3.51 % 3.29 %
AOL Mail	17061 18770	11958 13034	4482 5128	621 608	70.09 % 69.44 %	26.27 % 27.32 %	3.64 % 3.24 %
Mail.com	18217 18311	12996 12999	4599 4755	622 557	71.34 % 70.99 %	25.25 % 25.97 %	3.41 % 3.04 %
Yandex Mail	18388 18268	12588 12432	5160 5236	640 600	68.46 % 68.05 %	28.06 % 28.66 %	3.48 % 3.28 %
GMX Mail	18163 17974	12553 12398	4968 5033	642 543	69.11 % 68.98 %	27.35 % 28.00 %	3.53 % 3.02 %
Zoho Mail	18418 17977	13221 12821	4593 4599	604 557	71.78 % 71.32 %	24.94 % 25.58 %	3.28 % 3.10 %
ProtonMail	18464 18443	13025 12913	4823 4915	616 615	70.54 % 70.02 %	26.12 % 26.65 %	3.34 % 3.33 %
Custom Mail	18632 18483	13680 13479	4360 4439	592 565	73.42 % 72.93 %	23.40 % 24.02 %	3.18 % 3.06 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.