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
338.454 339.005	251.328 252.620	74.053 73.996	13.073 12.389

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 (%)
74.26 % 74.52 %	21.88 % 21.83 %	3.86 % 3.65 %

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	26120 26113	20188 20311	4976 4924	956 878	77.29 % 77.78 %	19.05 % 18.86 %	3.66 % 3.36 %
Elektronics	25811 26070	19379 19597	5509 5563	923 910	75.08 % 75.17 %	21.34 % 21.34 %	3.58 % 3.49 %
Entertainment	25996 26114	19258 19342	5706 5814	1032 958	74.08 % 74.07 %	21.95 % 22.26 %	3.97 % 3.67 %
Cosmetics & Beauty	26106 26029	19378 19287	5727 5728	1001 1014	74.23 % 74.10 %	21.94 % 22.01 %	3.83 % 3.90 %
Food & Drink	26096 26659	20269 20638	4934 5152	893 869	77.67 % 77.41 %	18.91 % 19.33 %	3.42 % 3.26 %
Home & Garden	26027 26502	20084 20599	4993 5056	950 847	77.17 % 77.73 %	19.18 % 19.08 %	3.65 % 3.20 %
Finance	26382 26039	18628 18516	6668 6450	1086 1073	70.61 % 71.11 %	25.27 % 24.77 %	4.12 % 4.12 %
Health	25636 26028	18318 18640	6274 6364	1044 1024	71.45 % 71.62 %	24.47 % 24.45 %	4.07 % 3.93 %
Pets	26496 26290	20254 20197	5284 5206	958 887	76.44 % 76.82 %	19.94 % 19.80 %	3.62 % 3.37 %
Sport & Fitness	26499 25616	19375 18912	6070 5721	1054 983	73.12 % 73.83 %	22.91 % 22.33 %	3.98 % 3.84 %
Job & Career	25670 25933	18677 18871	5910 6044	1083 1018	72.76 % 72.77 %	23.02 % 23.31 %	4.22 % 3.93 %
Dating	26094 25746	17943 17866	6995 6870	1156 1010	68.76 % 69.39 %	26.81 % 26.68 %	4.43 % 3.92 %
Other	25521 25866	19577 19844	5007 5104	937 918	76.71 % 76.72 %	19.62 % 19.73 %	3.67 % 3.55 %

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	33927 34615	24094 24491	8452 8741	1381 1383	71.02 % 70.75 %	24.91 % 25.25 %	4.07 % 4.00 %
Outlook Mail	33644 33130	24115 23942	8115 7893	1414 1295	71.68 % 72.27 %	24.12 % 23.82 %	4.20 % 3.91 %
Yahoo Mail	33715 33539	24948 24985	7429 7284	1338 1270	74.00 % 74.50 %	22.03 % 21.72 %	3.97 % 3.79 %
AOL Mail	32983 34374	24444 25437	7171 7628	1368 1309	74.11 % 74.00 %	21.74 % 22.19 %	4.15 % 3.81 %
Mail.com	33979 33977	25591 25679	7110 7096	1278 1202	75.31 % 75.58 %	20.92 % 20.88 %	3.76 % 3.54 %
Yandex Mail	34057 33788	24704 24616	7957 7856	1396 1316	72.54 % 72.85 %	23.36 % 23.25 %	4.10 % 3.89 %
GMX Mail	33615 33710	25051 25364	7274 7226	1290 1120	74.52 % 75.24 %	21.64 % 21.44 %	3.84 % 3.32 %
Zoho Mail	34085 33692	25971 25757	6936 6779	1178 1156	76.19 % 76.45 %	20.35 % 20.12 %	3.46 % 3.43 %
ProtonMail	34202 34058	25924 25905	7050 6979	1228 1174	75.80 % 76.06 %	20.61 % 20.49 %	3.59 % 3.45 %
Custom Mail	34247 34122	26486 26444	6559 6514	1202 1164	77.34 % 77.50 %	19.15 % 19.09 %	3.51 % 3.41 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.