2024/03/14 by Syed Alam.
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
Categories: Authentication, Deliverability, ISP, Postmaster(y) ISP pages
2024/01/29 by Yves-Marie Le Pors-Chauvel.
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 […]
Categories: Authentication, Deliverability, ISP, Postmaster(y) ISP pages
2023/11/23 by Syed Alam.
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 […]
Categories: Authentication, ISP, Postmaster(y) ISP pages
2023/09/29 by Yves-Marie Le Pors-Chauvel.
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 […]
Categories: Authentication, General, ISP, Postmaster(y) ISP pages
2023/09/28 by Olivier Moulene.
Office 365 / Microsoft 365 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 Office 365 which is a subscription-based suite of productivity software and services developed by Microsoft. In this article we will focus on their email hosting solution: Exchange Online. We will highlight below […]
Categories: Authentication, Postmaster(y) ISP pages
2023/08/16 by Alex Irimia.
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 […]
Categories: Authentication, ISP, Postmaster(y) ISP pages