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Constant Contact and SendInBlue Email Deliverability Comparison

  Constant Contact
  SendInBlue

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
  372.808
  373.154
  278.650
  280.139
  79.656
  79.229
  14.502
  13.786

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 (%)
  74.74 %
  75.07 %
  21.37 %
  21.23 %
  3.89 %
  3.69 %

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
  28808
  28716
  22389
  22471
  5358
  5273
  1061
  972
  77.72 %
  78.25 %
  18.60 %
  18.36 %
  3.68 %
  3.38 %
Elektronics
  28397
  28635
  21438
  21701
  5917
  5929
  1042
  1005
  75.49 %
  75.78 %
  20.84 %
  20.71 %
  3.67 %
  3.51 %
Entertainment
  28672
  28745
  21389
  21469
  6134
  6226
  1149
  1050
  74.60 %
  74.69 %
  21.39 %
  21.66 %
  4.01 %
  3.65 %
Cosmetics & Beauty
  28746
  28662
  21475
  21403
  6163
  6130
  1108
  1129
  74.71 %
  74.67 %
  21.44 %
  21.39 %
  3.85 %
  3.94 %
Food & Drink
  28692
  29330
  22389
  22872
  5310
  5503
  993
  955
  78.03 %
  77.98 %
  18.51 %
  18.76 %
  3.46 %
  3.26 %
Home & Garden
  28747
  29075
  22296
  22730
  5383
  5401
  1068
  944
  77.56 %
  78.18 %
  18.73 %
  18.58 %
  3.72 %
  3.25 %
Finance
  28972
  28724
  20636
  20582
  7144
  6921
  1192
  1221
  71.23 %
  71.65 %
  24.66 %
  24.09 %
  4.11 %
  4.25 %
Health
  28210
  28737
  20333
  20783
  6724
  6808
  1153
  1146
  72.08 %
  72.32 %
  23.84 %
  23.69 %
  4.09 %
  3.99 %
Pets
  29133
  28992
  22390
  22399
  5684
  5597
  1059
  996
  76.85 %
  77.26 %
  19.51 %
  19.31 %
  3.64 %
  3.44 %
Sport & Fitness
  29054
  28287
  21358
  21019
  6525
  6158
  1171
  1110
  73.51 %
  74.31 %
  22.46 %
  21.77 %
  4.03 %
  3.92 %
Job & Career
  28316
  28529
  20737
  20891
  6390
  6500
  1189
  1138
  73.23 %
  73.23 %
  22.57 %
  22.78 %
  4.20 %
  3.99 %
Dating
  28833
  28327
  20056
  19895
  7502
  7316
  1275
  1116
  69.56 %
  70.23 %
  26.02 %
  25.83 %
  4.42 %
  3.94 %
Other
  28228
  28395
  21764
  21924
  5422
  5467
  1042
  1004
  77.10 %
  77.21 %
  19.21 %
  19.25 %
  3.69 %
  3.54 %

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
  37458
  38127
  26827
  27258
  9091
  9341
  1540
  1528
  71.62 %
  71.49 %
  24.27 %
  24.50 %
  4.11 %
  4.01 %
Outlook Mail
  37090
  36633
  26758
  26696
  8736
  8489
  1596
  1448
  72.14 %
  72.87 %
  23.55 %
  23.17 %
  4.30 %
  3.95 %
Yahoo Mail
  37224
  36922
  27716
  27694
  8024
  7838
  1484
  1390
  74.46 %
  75.01 %
  21.56 %
  21.23 %
  3.99 %
  3.76 %
AOL Mail
  36338
  37682
  27071
  28061
  7743
  8159
  1524
  1462
  74.50 %
  74.47 %
  21.31 %
  21.65 %
  4.19 %
  3.88 %
Mail.com
  37481
  37345
  28374
  28402
  7671
  7601
  1436
  1342
  75.70 %
  76.05 %
  20.47 %
  20.35 %
  3.83 %
  3.59 %
Yandex Mail
  37527
  37238
  27373
  27334
  8586
  8444
  1568
  1460
  72.94 %
  73.40 %
  22.88 %
  22.68 %
  4.18 %
  3.92 %
GMX Mail
  37016
  37207
  27840
  28212
  7783
  7720
  1393
  1275
  75.21 %
  75.82 %
  21.03 %
  20.75 %
  3.76 %
  3.43 %
Zoho Mail
  37427
  37035
  28680
  28499
  7437
  7247
  1310
  1289
  76.63 %
  76.95 %
  19.87 %
  19.57 %
  3.50 %
  3.48 %
ProtonMail
  37592
  37426
  28724
  28687
  7538
  7424
  1330
  1315
  76.41 %
  76.65 %
  20.05 %
  19.84 %
  3.54 %
  3.51 %
Custom Mail
  37655
  37539
  29287
  29296
  7047
  6966
  1321
  1277
  77.78 %
  78.04 %
  18.71 %
  18.56 %
  3.51 %
  3.40 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.