Deliverability to yahoo.co.uk
Yahoo.co.uk is Yahoo!’s United Kingdom equivalent. To achieve worldwide brand consistency, new Yahoo! email registrants will be assigned only the @yahoo.com domain.

Emails Sent to yahoo.co.uk: 11,157,235

Open Rate to yahoo.co.uk: 1,990,522 (17.8%)

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Sent vs Opens for yahoo.co.uk

Date Sent Opens Open Rate
1/25/20251,3941238.8%
1/24/20254,32256713.1%
1/18/20251,43130521.3%
1/17/20253,14163520.2%
1/16/20253,38578823.2%
1/15/20253,42470020.4%
1/14/20253,54279222.3%
1/13/20252,76772026%
1/12/202591723425.5%
1/11/20251,87445424.2%
1/10/20252,27651422.5%
1/9/20252,08849023.4%
1/8/20253,16975323.7%
1/7/20252,45051921.1%
1/6/20252,29969230.1%
1/4/20251,09017916.4%
1/3/20251,50134623%
1/2/20251,69540623.9%
1/1/20251,32928021%
12/31/20241,42032723%
12/30/20241,51738625.4%
12/29/202469418426.5%
12/28/20241,19126322%
12/27/20241,39832423.1%
12/26/20241,21925520.9%
12/25/20241,42430421.3%
12/24/20241,53943128%
12/23/20241,47636124.4%
12/22/202495321122.1%
12/21/20241,22033527.4%

Blocks from yahoo.co.uk

No blocks during specified time frame

Bounces from yahoo.co.uk

Explanation of bounce codes

Message Count
552 1 Requested mail action aborted, mailbox not found 923
554 30 Sorry, your message to cannot be delivered. This mailbox is disabled . 473
550-5.2.1 The email account that you tried to reach is inactive. For more 550-5.2.1 information, go to 550 5.2.1 https://support.google.com/mail/?p=DisabledUser 2
550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces. For more information, go to 550 5.1.1 https://support.google.com/mail/?p=NoSuchUser 1
555 Sorry, the number of messages exceeds our allowed limit 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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