ZMLUK fined £105k for sending 67m+ marketing emails without valid consent. The ICO rejected its ‘soft opt‑in’ defence, stressing that vague, bulk consent and third‑party data are no substitute for clear, informed, and specific opt‑ins. A sharp reminder that PECR compliance isn’t optional.
https://ico.org.uk/action-weve-taken/enforcement/2025/12/zmluk-limited/
"A recent incident led Microsoft to identify an issue with its Exchange Online service that mistakenly flagged legitimate emails as phishing and quarantined them. "Some users' legitimate email messages are being marked as phish[sic] and quarantined in Exchange Online," added Microsoft."
Yahoo Mail reduced free storage from 1TB to 20GB last year, and for many it’s dropping again to 15GB from May 5.
https://emailexpert.com/yahoo-is-cutting-free-mail-storage-again/
Yahoo Mail is preparing another reduction to free mailbox storage, and this one is more restrictive than before. Although according to reports it is not impacting users in North America. This does impact according our sources Europe, the UK and potentially other geo locations. In a notice sent to users, Yahoo announced it will cap
Google quietly kills Gmail's ability to fetch mail from other email accounts using POP3
Microsoft reverse course on their Exchange Online upcoming mailbox external recipient rate limit after customer feedback that the change would create "significant operational challenges".
https://www.theregister.com/2026/01/07/exchange_online_recipient_rate/
Thunderbird 145 adds native Microsoft Exchange email support. Contacts and calendars aren't yet supported, but it's still a very useful addition to the open source email client.
https://blog.thunderbird.net/2025/11/thunderbird-adds-native-microsoft-exchange-email-support/
Yahoo has launched a new feature called Insights, giving senders better transparency and visibility into their delivery performance.
https://blog.postmaster.yahooinc.com/post/798590258207916032/introducing-insights
What's been happening in the world of email? Google ramp up enforcement of email sender requirements, Yahoo introduce Insights to their Sender Hub, and more.
https://www.sendamatic.net/blog/november-2025-email-news-roundup
Starting November 2025, Gmail is ramping up its enforcement of email sender requirements, and non-compliant emails may face delays or rejections.
Proton Mail recently released a newsletters view that "helps you quickly organize and unsubscribe from email subscriptions without digging through your inbox". Gmail are rolling out something similar, will others follow suit?
Sendamatic
