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
386.369 386.815	289.437 291.230	81.857 81.251	15.075 14.334

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 (%)
74.91 % 75.29 %	21.19 % 21.01 %	3.90 % 3.71 %

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	29778 29728	23188 23316	5494 5402	1096 1010	77.87 % 78.43 %	18.45 % 18.17 %	3.68 % 3.40 %
Elektronics	29424 29658	22263 22556	6075 6071	1086 1031	75.66 % 76.05 %	20.65 % 20.47 %	3.69 % 3.48 %
Entertainment	29695 29767	22191 22297	6298 6378	1206 1092	74.73 % 74.91 %	21.21 % 21.43 %	4.06 % 3.67 %
Cosmetics & Beauty	29786 29712	22295 22258	6338 6286	1153 1168	74.85 % 74.91 %	21.28 % 21.16 %	3.87 % 3.93 %
Food & Drink	29802 30447	23295 23798	5470 5647	1037 1002	78.17 % 78.16 %	18.35 % 18.55 %	3.48 % 3.29 %
Home & Garden	29752 30205	23121 23671	5526 5550	1105 984	77.71 % 78.37 %	18.57 % 18.37 %	3.71 % 3.26 %
Finance	30013 29812	21437 21439	7334 7106	1242 1267	71.43 % 71.91 %	24.44 % 23.84 %	4.14 % 4.25 %
Health	29219 29791	21133 21624	6898 6977	1188 1190	72.33 % 72.59 %	23.61 % 23.42 %	4.07 % 3.99 %
Pets	30220 30013	23268 23247	5848 5736	1104 1030	77.00 % 77.46 %	19.35 % 19.11 %	3.65 % 3.43 %
Sport & Fitness	30118 29347	22193 21861	6710 6328	1215 1158	73.69 % 74.49 %	22.28 % 21.56 %	4.03 % 3.95 %
Job & Career	29359 29527	21544 21670	6580 6669	1235 1188	73.38 % 73.39 %	22.41 % 22.59 %	4.21 % 4.02 %
Dating	29918 29392	20900 20732	7698 7493	1320 1167	69.86 % 70.54 %	25.73 % 25.49 %	4.41 % 3.97 %
Other	29285 29416	22609 22761	5588 5608	1088 1047	77.20 % 77.38 %	19.08 % 19.06 %	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	38739 39508	27822 28352	9319 9569	1598 1587	71.82 % 71.76 %	24.06 % 24.22 %	4.13 % 4.02 %
Outlook Mail	38508 37965	27844 27742	8994 8706	1670 1517	72.31 % 73.07 %	23.36 % 22.93 %	4.34 % 4.00 %
Yahoo Mail	38552 38297	28758 28800	8250 8051	1544 1446	74.60 % 75.20 %	21.40 % 21.02 %	4.00 % 3.78 %
AOL Mail	37649 39018	28102 29127	7971 8369	1576 1522	74.64 % 74.65 %	21.17 % 21.45 %	4.19 % 3.90 %
Mail.com	38849 38744	29477 29547	7886 7806	1486 1391	75.88 % 76.26 %	20.30 % 20.15 %	3.83 % 3.59 %
Yandex Mail	38847 38597	28400 28422	8822 8671	1625 1504	73.11 % 73.64 %	22.71 % 22.47 %	4.18 % 3.90 %
GMX Mail	38308 38543	28897 29305	7974 7903	1437 1335	75.43 % 76.03 %	20.82 % 20.50 %	3.75 % 3.46 %
Zoho Mail	38869 38361	29841 29601	7652 7423	1376 1337	76.77 % 77.16 %	19.69 % 19.35 %	3.54 % 3.49 %
ProtonMail	38991 38873	29860 29891	7742 7611	1389 1371	76.58 % 76.89 %	19.86 % 19.58 %	3.56 % 3.53 %
Custom Mail	39057 38909	30436 30443	7247 7142	1374 1324	77.93 % 78.24 %	18.55 % 18.36 %	3.52 % 3.40 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.