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: 7,139,765

Open Rate to yahoo.co.uk: 1,055,913 (14.8%)

Date range:
Display as:

Sent vs Opens for yahoo.co.uk

Date Sent Opens Open Rate
1/23/2022 1,556 276 0.0%
1/22/2022 2,119 423 0.0%
1/21/2022 2,872 665 0.0%
1/20/2022 3,739 944 0.0%
1/19/2022 6,771 1,475 0.0%
1/18/2022 4,036 864 0.0%
1/17/2022 3,705 841 0.0%
1/16/2022 1,424 363 0.0%
1/15/2022 3,263 622 0.0%
1/14/2022 4,642 943 0.0%
1/13/2022 3,420 674 0.0%
1/12/2022 4,240 787 0.0%
1/11/2022 6,948 1,252 0.0%
1/10/2022 4,406 948 0.0%
1/9/2022 1,944 432 0.0%
1/8/2022 2,786 522 0.0%
1/7/2022 3,357 648 0.0%
1/6/2022 3,427 670 0.0%
1/5/2022 4,740 1,021 0.0%
1/4/2022 3,335 742 0.0%
1/3/2022 1,958 442 0.0%
1/2/2022 1,902 388 0.0%
1/1/2022 3,032 683 0.0%
12/31/2021 2,489 520 0.0%
12/30/2021 2,901 585 0.0%
12/29/2021 3,221 668 0.0%
12/28/2021 2,969 462 0.0%
12/27/2021 3,031 467 0.0%
12/26/2021 10,591 1,982 0.0%
12/25/2021 22,136 4,276 0.0%

Blocks from yahoo.co.uk

No blocks during specified time frame

Bounces from yahoo.co.uk

Message Count
552 1 Requested mail action aborted, mailbox not found 994
554 30 Sorry, your message to cannot be delivered. This mailbox is disabled . 291
552 3 Requested mail action aborted, mailbox not found 91
550 5.1.8 Access denied, bad outbound sender AS 13
Email was deferred due to the following reason: 11
535 Incorrect authentication data 8
550 5.4.5 Daily user sending quota exceeded. - gsmtp 4
DNS Error. DNS type 'mx' lookup responded with code NXDOMAIN 3
535 5.7.8 Error: authentication failed: 2
421 4.7.0 Messages from 159.183.137.22 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes 1
421 4.7.0 Messages from 168.245.49.181 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes 1
535 5.7.8 Error: authentication failed: - For help see https://simply.com/support/?s=smtp.simply.com 1
550 5.7.1 Message blocked. If this is a false positive, please report this to your hosting service provider. See https://console.mailchannels.net/insights/bounce?auid=844pkh7v21&sender=info%40pagoulatos-re.com&txid=391d59365ffc5f73 1
550 5.7.1 Your message has been rejected because your mailbox is under abuse enforcement 1
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. 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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