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ガイドラインの公表をきっかけに、Gmailに届かないメールが気になって、観察し始めた。
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1. Gmail
Gmail 2024/02 にむけての要請
https://x.com/nekono_naha/status/1731473059318755348?s=20
WorkSpace）への送信は集計対象外になった。
Email sender guidelines FAQ 2023-12-04 https://support.google.com/a/answer/14229414#bulk-sender-def
Microsoft 365 admins warned of new Google anti-spam rules By Sergiu Gatlan
- October 8, 2023
New Gmail protections for a safer, less spammy inbox
https://blog.google/products/gmail/gmail-security-authentication-spam-protection/
2. New requirements for bulk senders
By February 2024, Gmail will start to require that bulk senders:
1. Authenticate their email: You shouldn’t need to worry about the intricacies of email security standards, but you should be able to confidently rely on an email’s source. So we're requiring those who send significant volumes to strongly authenticate their emails following well-established best practices. Ultimately, this will close loopholes exploited by attackers that threaten everyone who uses email.
Enable easy unsubscription: You shouldn’t have to jump through hoops to stop receiving unwanted messages from a particular email sender. It should take one click. So we’re requiring that large senders give Gmail recipients the ability to unsubscribe from commercial email in one click, and that they process unsubscription requests within two days. We’ve built these requirements on open standards so that once senders implement them, everyone who uses email benefits.
Ensure they’re sending wanted email: Nobody likes spam, and Gmail already includes many tools that keep unwanted messages out of your inbox. To add yet another protection, moving forward, we’ll enforce a clear spam rate threshold that senders must stay under to ensure Gmail
recipients aren’t bombarded with unwanted messages. This is an industry first, and as a result, you should see even less spam in your inbox.