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
438.027 402.780	330.244 303.984	90.425 83.770	17.358 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 (%)
75.39 % 75.47 %	20.64 % 20.80 %	3.96 % 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	33667 30967	26349 24340	6066 5573	1252 1054	78.26 % 78.60 %	18.02 % 18.00 %	3.72 % 3.40 %
Elektronics	33415 30895	25454 23568	6709 6254	1252 1073	76.18 % 76.28 %	20.08 % 20.24 %	3.75 % 3.47 %
Entertainment	33654 31027	25335 23293	6954 6580	1365 1154	75.28 % 75.07 %	20.66 % 21.21 %	4.06 % 3.72 %
Cosmetics & Beauty	33691 30995	25389 23278	6984 6495	1318 1222	75.36 % 75.10 %	20.73 % 20.95 %	3.91 % 3.94 %
Food & Drink	33730 31626	26488 24770	6044 5807	1198 1049	78.53 % 78.32 %	17.92 % 18.36 %	3.55 % 3.32 %
Home & Garden	33744 31435	26361 24684	6115 5724	1268 1027	78.12 % 78.52 %	18.12 % 18.21 %	3.76 % 3.27 %
Finance	34034 31001	24516 22348	8084 7319	1434 1334	72.03 % 72.09 %	23.75 % 23.61 %	4.21 % 4.30 %
Health	33220 30974	24247 22552	7604 7177	1369 1245	72.99 % 72.81 %	22.89 % 23.17 %	4.12 % 4.02 %
Pets	34152 31300	26407 24299	6455 5924	1290 1077	77.32 % 77.63 %	18.90 % 18.93 %	3.78 % 3.44 %
Sport & Fitness	34038 30500	25245 22771	7395 6521	1398 1208	74.17 % 74.66 %	21.73 % 21.38 %	4.11 % 3.96 %
Job & Career	33428 30761	24634 22618	7343 6889	1451 1254	73.69 % 73.53 %	21.97 % 22.40 %	4.34 % 4.08 %
Dating	34008 30610	24034 21675	8468 7709	1506 1226	70.67 % 70.81 %	24.90 % 25.18 %	4.43 % 4.01 %
Other	33246 30689	25785 23788	6204 5798	1257 1103	77.56 % 77.51 %	18.66 % 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	42858 40872	30887 29396	10167 9825	1804 1651	72.07 % 71.92 %	23.72 % 24.04 %	4.21 % 4.04 %
Outlook Mail	42630 39335	31015 28795	9740 8946	1875 1594	72.75 % 73.20 %	22.85 % 22.74 %	4.40 % 4.05 %
Yahoo Mail	42656 39623	31978 29861	8946 8266	1732 1496	74.97 % 75.36 %	20.97 % 20.86 %	4.06 % 3.78 %
AOL Mail	41862 40403	31371 30219	8692 8592	1799 1592	74.94 % 74.79 %	20.76 % 21.27 %	4.30 % 3.94 %
Mail.com	43040 40085	32797 30627	8571 8007	1672 1451	76.20 % 76.41 %	19.91 % 19.98 %	3.88 % 3.62 %
Yandex Mail	43141 39964	31731 29495	9594 8908	1816 1561	73.55 % 73.80 %	22.24 % 22.29 %	4.21 % 3.91 %
GMX Mail	42456 39884	32271 30400	8603 8097	1582 1387	76.01 % 76.22 %	20.26 % 20.30 %	3.73 % 3.48 %
Zoho Mail	42893 39823	33094 30796	8256 7635	1543 1392	77.15 % 77.33 %	19.25 % 19.17 %	3.60 % 3.50 %
ProtonMail	43164 40373	33274 31130	8345 7817	1545 1426	77.09 % 77.11 %	19.33 % 19.36 %	3.58 % 3.53 %
Custom Mail	43176 40291	33800 31574	7842 7332	1534 1385	78.28 % 78.36 %	18.16 % 18.20 %	3.55 % 3.44 %
iCloud Mail	3319 712	2465 535	667 141	187 36	74.27 % 75.14 %	20.10 % 19.80 %	5.63 % 5.06 %
Tuta	3385 725	2739 595	508 106	138 24	80.92 % 82.07 %	15.01 % 14.62 %	4.08 % 3.31 %
Juno.com	3447 690	2822 561	494 98	131 31	81.87 % 81.30 %	14.33 % 14.20 %	3.80 % 4.49 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.