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Tag: Yahoo

Yahoo Mail Deliverability FAQ Updated

Yahoo has updated their FAQ and listed out a number of factors they use to determine if a mail message is spam. IP Address Reputation URL Reputation Domain Reputation Sender Reputation DomainKeys Identified Mail (DKIM) signatures DMARC authentication Autonomous System Number (ASN) reputation Autonomous System Number (ASN) is a globally unique number that is assigned […]

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Yahoo FBL Down

We’re seeing multiple reports that the Yahoo feedback loop stopped working some time in the past couple of days. If you’re not seeing reports, it’s not just you.

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Yahoo China Email Services Shut Down

Via mailing lists and Al Iverson’s Spamresource blog, Yahoo China domains (yahoo.com.cn and yahoo.cn) are no longer accepting email.  Yahoo announced in April of 2013 they are shutting down their email services in August of the same year and advises users to create new accounts with Alibana.  While the domains still have valid MX records, […]

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Email predictions for 2015

Welcome to a whole new year. It seems the changing of the year brings out people predicting what they think will happen in the coming year. It’s something I’ve indulged in a couple times over my years of blogging, but email is a generally stable technology and it’s kind of boring to predict a new […]

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Yahoo problems

I’m seeing scattered reports today that a lot of places are seeing backed up queues to Yahoo. They’ve had some problems over the last few days and seem to be still recovering. It’s looking like it’s something internal to Yahoo. One set of error messages I’ve seen reported by numerous people is: “451 4.3.2 Internal […]

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Yahoo.com on FCC wireless “do not mail” list

Update: As of mid-morning pacific time on 10/7 yahoo.com has been removed from the FCC list. As part of CAN SPAM the FCC maintains a list of wireless domains that require proof of permission to send mail to. Recently, various email folks noticed that yahoo.com was added to this list. According to the law, senders […]

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Fun with new mailservers

I’m building a new set of mailservers for wordtothewise.com – our existing mailserver was “I’ll repurpose this test box for a week” about four years ago, so it’s long past time. I tested our new smarthost by sending a test mail to gmail. This is the very first email this IP address has sent in […]

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June 2014: The month in email

Each month, we like to focus on a core email feature or function and present an overview for people looking to learn more. This month, we addressed authentication with SPF. We also talked about feedback mechanisms, and the importance for senders to participate in FBL processes. In our ongoing discussions about spam filters, we took […]

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Spammers react to Y! DMARC policy

It’s probably only a surprise to people who think DMARC is the silver bullet to fixing email problems, but the spammers who were so abusing yahoo.com have moved on… to ymail.com. In the rush to deploy their DMARC policy, apparently Yahoo forgot they have hundreds of other domains. Domains that are currently not publishing a […]

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The more things change

I was doing some research about the evolution of the this-is-spam button for a blog article. In the middle of it, I found an old NY Times report about spam from 2003. At the same time, the argument is intensifying over what represents legitimate e-mail, particularly when it ends up being blocked by an antispam […]

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