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
113.062 113.949	72.133 71.091	37.636 39.710	3.293 3.148

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 Rate	Spam Rate	Lost Rate
63.80 % 62.39 %	33.29 % 34.85 %	2.91 % 2.76 %

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 Rate	Spam Rate	Lost Rate
Clothing	8753 8813	5982 5942	2521 2630	250 241	68.34 % 67.42 %	28.80 % 29.84 %	2.86 % 2.73 %
Elektronics	8705 8771	5552 5438	2901 3090	252 243	63.78 % 62.00 %	33.33 % 35.23 %	2.89 % 2.77 %
Entertainment	8530 8983	5426 5544	2855 3190	249 249	63.61 % 61.72 %	33.47 % 35.51 %	2.92 % 2.77 %
Cosmetics & Beauty	8734 8735	5562 5419	2914 3072	258 244	63.68 % 62.04 %	33.36 % 35.17 %	2.95 % 2.79 %
Food & Drink	8590 9406	5879 6288	2461 2862	250 256	68.44 % 66.85 %	28.65 % 30.43 %	2.91 % 2.72 %
Home & Garden	8779 8835	5989 5895	2527 2697	263 243	68.22 % 66.72 %	28.78 % 30.53 %	3.00 % 2.75 %
Finance	9146 8472	5347 4842	3529 3397	270 233	58.46 % 57.15 %	38.59 % 40.10 %	2.95 % 2.75 %
Health	8565 8826	5004 5022	3317 3561	244 243	58.42 % 56.90 %	38.73 % 40.35 %	2.85 % 2.75 %
Pets	9057 8895	6168 5935	2620 2717	269 243	68.10 % 66.72 %	28.93 % 30.55 %	2.97 % 2.73 %
Sport & Fitness	8971 8178	5674 5075	3032 2876	265 227	63.25 % 62.06 %	33.80 % 35.17 %	2.95 % 2.78 %
Job & Career	8034 8683	5112 5388	2698 3053	224 242	63.63 % 62.05 %	33.58 % 35.16 %	2.79 % 2.79 %
Dating	8635 8596	4568 4453	3816 3906	251 237	52.90 % 51.80 %	44.19 % 45.44 %	2.91 % 2.76 %
Other	8563 8756	5870 5850	2445 2659	248 247	68.55 % 66.81 %	28.55 % 30.37 %	2.90 % 2.82 %

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 Rate	Spam Rate	Lost Rate
Gmail	11220 12119	6515 6872	4378 4910	327 337	58.07 % 56.70 %	39.02 % 40.51 %	2.91 % 2.78 %
Outlook Mail	11157 10600	6719 6228	4108 4080	330 292	60.22 % 58.75 %	36.82 % 38.49 %	2.96 % 2.75 %
Yahoo Mail	11362 10888	7389 6937	3640 3647	333 304	65.03 % 63.71 %	32.04 % 33.50 %	2.93 % 2.79 %
AOL Mail	10507 11897	6823 7544	3385 4028	299 325	64.94 % 63.41 %	32.22 % 33.86 %	2.85 % 2.73 %
Mail.com	11423 11371	7577 7348	3512 3709	334 314	66.33 % 64.62 %	30.74 % 32.62 %	2.92 % 2.76 %
Yandex Mail	11527 11430	7268 7048	3922 4063	337 319	63.05 % 61.66 %	34.02 % 35.55 %	2.92 % 2.79 %
GMX Mail	11153 11194	6920 6800	3905 4085	328 309	62.05 % 60.75 %	35.01 % 36.49 %	2.94 % 2.76 %
Zoho Mail	11473 11196	7587 7238	3556 3652	330 306	66.13 % 64.65 %	30.99 % 32.62 %	2.88 % 2.73 %
ProtonMail	11572 11640	7384 7320	3849 4002	339 318	63.81 % 62.89 %	33.26 % 34.38 %	2.93 % 2.73 %
Custom Mail	11668 11614	7951 7756	3381 3534	336 324	68.14 % 66.78 %	28.98 % 30.43 %	2.88 % 2.79 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.