Enhancing Email Deliverability with Yahoo Sender Hub

In the ever-evolving landscape of email marketing, ensuring that your messages reach the intended recipients’ inboxes is paramount. Enter Yahoo Sender Hub, a platform designed to help email marketers and organizations optimize their email deliverability to Yahoo Mail users. Let’s explore what Yahoo Sender Hub is and what are its key features. What is Yahoo […]

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Categories: Deliverability, General, ISP

iCloud Postmaster(y) page

To help the sender community, we are glad to share our experiences collected over the years with some ISPs. This page is about the ICloud. – Market share and history of MBP – Anti-Spam Measures – Feedback Loop – Technical and SMTP tweaks – Common Error SMTP Messages – Abuse Desk & Tech Support

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Categories: Authentication, Deliverability, ISP, Postmaster(y) ISP pages

Laposte.net Postmaster(y) page

In order to help the sender community, we are glad to share our experiences collected over the years with some ISPs. This page is about the main French Mailbox Provider: Laposte.net. This mailbox provider represents millions of active users and is the French biggest free Webmail. Postmastery integrates data from the aggregated Feedback Loop of […]

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Categories: Authentication, Deliverability, ISP, Postmaster(y) ISP pages

Gmail Postmaster(y) page

IMPORTANT UPDATE 23/11/2023: Since November 15, Google has changed many of its SMTP answers, this blog post has been updated with these new messages. In case of any need, please reach out to the Postmastery Team. To help the sender community, we are delighted to share our extensive knowledge and experiences gained over the years […]

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Categories: Authentication, ISP, Postmaster(y) ISP pages

SFR Postmaster(y) page

To help the sender community, we are very happy to share our experience collected over the past years, about Mailbox providers. This article is about a historic provider in France: SFR Grand Public (sfr.fr, neuf.fr, club-internet.fr, cegetel.net, numericable.fr, etc…). Postmastery integrates data from the aggregated Feedback Loop of SFR Grand Public, through its monitoring tool […]

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Categories: Authentication, General, ISP, Postmaster(y) ISP pages

Yahoo Postmaster(y) page

To help the sender community, we are glad to share our experiences collected over the years with some ISPs. This page is about Yahoo webmail (Yahoo postmaster) being one of the most used in the world. Postmastery is fully integrated with Yahoo’s CFL program, through its monitoring tools. We will highlight below topics: – Latest […]

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Categories: Authentication, ISP, Postmaster(y) ISP pages

Outlook Postmaster(y) page

IMPORTANT UPDATE 02/04/2025: Outlook announced on their Community Blog that they will enforce requirements for High Volume sender starting May 5, 2025. To help the sender community, we are glad to share our experiences collected over the years with some ISPs. This page concerns Outlook.com, whose webmail is one of the most widely used in […]

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Categories: Authentication, Deliverability, ISP

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