Deliverability to btinternet.com

Emails Sent to btinternet.com: 5,889,480

Open Rate to btinternet.com: 1,129,869 (19.2%)

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Sent vs Opens for btinternet.com

Date Sent Opens Open Rate
1/25/2025389358.9%
1/24/202581922026.8%
1/18/20253954912.4%
1/17/20253,60877421.4%
1/16/20252,87452018%
1/15/20252,73546216.8%
1/14/20253,02559919.8%
1/13/20251,25934227.1%
1/12/202546110723.2%
1/11/202568515322.3%
1/10/202568817425.2%
1/9/202561416627%
1/8/20251,29739430.3%
1/7/20251,09621419.5%
1/6/202598732933.3%
1/4/20254417917.9%
1/3/202547710822.6%
1/2/202562916726.5%
1/1/202548016233.7%
12/31/202448512024.7%
12/30/202488627631.1%
12/29/202446516134.6%
12/28/202456118332.6%
12/27/202450016132.2%
12/26/20243015116.9%
12/25/20243006120.3%
12/24/202449412625.5%
12/23/202459416527.7%
12/22/20242737226.3%
12/21/202442413531.8%

Blocks from btinternet.com

No blocks during specified time frame

Bounces from btinternet.com

Explanation of bounce codes

Message Count
550 RCPT TO: User unknown 663
NoMxRecord:0-0 38
554 Service not available - access denied 17
Message queue continuously deferred for too long. See https://sendgrid.com/docs/glossary/throttling/#what-causes-a-deferral 10
554 Message rejected on 2025/01/16 17 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 3
554 Message rejected on 2025/01/15 23 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 2
554 Message rejected on 2025/01/15 11 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/07 16 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/17 15 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/17 14 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/17 10 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/16 08 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/14 23 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 5.2.2 mailbox full; Failed to process message due to a permanent exception with message The process failed to get the correct properties. 1.84300, 1.84300F000000, 1.84300:A1000000, 1.84300, 1.84300, 0.117068, 1.79180, 1.79180F000000, 1.79180:FA000000, 0.73100, 5.95292F526F70730072, 8.111356F9FE86593ECC1F1F572B2F8F6BAC1F1F572B, 0.38698F5F19C9, 1.41134, 7.36354C140FCEA0, 1.41134, 7.36354C86000000, 0.34102A020000, 5.29818D303066642D393838362D303030302D303030303030303030303030000B0000, 5.55446A3 1
DNS Error. DNS type 'mx' lookup responded with code NXDOMAIN 1
554 Message rejected on 2025/01/15 17 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/06 10 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/09 19 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/17 12 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/15 16 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/07 14 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
550 5.1.1 User doesn't exist: 1
554 Message rejected on 2025/01/17 08 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 5.2.2 mailbox full; Failed to process message due to a permanent exception with message The process failed to get the correct properties. 1.84300, 1.84300F000000, 1.84300:A1000000, 1.84300, 1.84300, 0.117068, 1.79180, 1.79180F000000, 1.79180:FA000000, 0.73100, 5.95292F526F7073006E, 8.111356F5F19C9441AE441A6536B31ED2F214BA6536B31, 0.38698:A6536B31, 1.41134, 7.36354, 1.41134, 7.36354, 0.34102:BA2D0000, 5.29818D306464662D623432382D303030302D303030303030303030303030004B0000, 5.55446A3000844C0000 1
554 Message rejected on 2025/01/15 20 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1
554 Message rejected on 2025/01/15 00 GMT, policy ID - Your message looks like SPAM or has been reported as SPAM 1

Methodology

Send and open statistics are updated daily. Bounces and blocks are updated in real-time. Every day, open statistics are updated for the last 14 days. Generally, you'll notice an increase of an open rate for a domain for a day over the course of 14 days, since not all open events occur the same day an email is sent. That means that open rate data is tied to the actual emails sent on a particular day.

Bounce and block codes are the codes as returned by the remote SMTP server after having been de-personalized. Meaning, unique identifiers present in SMTP codes are removed so that SMTP responses can be grouped for analysis. In certain cases, such as when the email is being relayed through an intermediary SMTP server, the remote SMTP server may not be the same as the MX record for the domain. SMTP codes are categorized as "bounces" vs "blocks" by internal human review. Bounces generally indicate an invalid email address. Blocks generally indicate a rejection of the email message but a valid email address.

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