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
222.504 223.604	159.064 159.450	55.382 56.565	8.058 7.589

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 (%)	Spam (%)	Lost (%)
71.49 % 71.31 %	24.89 % 25.30 %	3.62 % 3.39 %

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 (%)	Spam (%)	Lost (%)
Clothing	17119 17267	12815 12959	3708 3754	596 554	74.86 % 75.05 %	21.66 % 21.74 %	3.48 % 3.21 %
Elektronics	17049 17121	12295 12273	4185 4291	569 557	72.12 % 71.68 %	24.55 % 25.06 %	3.34 % 3.25 %
Entertainment	17093 17335	12210 12251	4250 4481	633 603	71.43 % 70.67 %	24.86 % 25.85 %	3.70 % 3.48 %
Cosmetics & Beauty	17116 17153	12221 12156	4278 4379	617 618	71.40 % 70.87 %	24.99 % 25.53 %	3.60 % 3.60 %
Food & Drink	17030 17803	12814 13262	3661 3991	555 550	75.24 % 74.49 %	21.50 % 22.42 %	3.26 % 3.09 %
Home & Garden	17204 17352	12862 12966	3735 3851	607 535	74.76 % 74.72 %	21.71 % 22.19 %	3.53 % 3.08 %
Finance	17433 17148	11748 11599	5043 4917	642 632	67.39 % 67.64 %	28.93 % 28.67 %	3.68 % 3.69 %
Health	16849 17139	11471 11610	4753 4930	625 599	68.08 % 67.74 %	28.21 % 28.76 %	3.71 % 3.49 %
Pets	17488 17381	12966 12890	3913 3939	609 552	74.14 % 74.16 %	22.38 % 22.66 %	3.48 % 3.18 %
Sport & Fitness	17527 16774	12370 11889	4523 4286	634 599	70.58 % 70.88 %	25.81 % 25.55 %	3.62 % 3.57 %
Job & Career	16697 16906	11741 11816	4279 4487	677 603	70.32 % 69.89 %	25.63 % 26.54 %	4.05 % 3.57 %
Dating	17103 17024	11050 11026	5362 5380	691 618	64.61 % 64.77 %	31.35 % 31.60 %	4.04 % 3.63 %
Other	16796 17201	12501 12753	3692 3879	603 569	74.43 % 74.14 %	21.98 % 22.55 %	3.59 % 3.31 %

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 (%)	Spam (%)	Lost (%)
Gmail	22347 23105	15117 15487	6379 6787	851 831	67.65 % 67.03 %	28.55 % 29.37 %	3.81 % 3.60 %
Outlook Mail	22086 21643	15144 14895	6063 5968	879 780	68.57 % 68.82 %	27.45 % 27.57 %	3.98 % 3.60 %
Yahoo Mail	22016 21881	15744 15708	5462 5424	810 749	71.51 % 71.79 %	24.81 % 24.79 %	3.68 % 3.42 %
AOL Mail	21163 22887	15175 16266	5177 5801	811 820	71.71 % 71.07 %	24.46 % 25.35 %	3.83 % 3.58 %
Mail.com	22359 22474	16295 16360	5265 5395	799 719	72.88 % 72.80 %	23.55 % 24.01 %	3.57 % 3.20 %
Yandex Mail	22480 22302	15739 15591	5900 5921	841 790	70.01 % 69.91 %	26.25 % 26.55 %	3.74 % 3.54 %
GMX Mail	22170 22076	15784 15760	5569 5617	817 699	71.20 % 71.39 %	25.12 % 25.44 %	3.69 % 3.17 %
Zoho Mail	22678 22084	16694 16187	5235 5186	749 711	73.61 % 73.30 %	23.08 % 23.48 %	3.30 % 3.22 %
ProtonMail	22509 22541	16344 16314	5398 5472	767 755	72.61 % 72.37 %	23.98 % 24.28 %	3.41 % 3.35 %
Custom Mail	22696 22611	17028 16882	4934 4994	734 735	75.03 % 74.66 %	21.74 % 22.09 %	3.23 % 3.25 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.