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Postmaster


Welcome to the Yahoo Mail Postmaster Forum!

This forum is to gather feedback and suggestions from email senders to Yahoo Mail. If you are any organization (a university, government entity, email marketing business, or an Internet service) that sends email to Yahoo users this is the place to voice your ideas.

Be sure to check out http://postmaster.yahoo.com for some common questions and deliverability best practices recommended by Yahoo for senders before posting. Please use this form to contact customer care for specific issues.

We are always looking for ways to improve Yahoo Mail. Working closely with the email sending community is important for us to continue providing the best in class service to Yahoo Mail users.
We look forward to your creative thoughts and a constructive dialogue together.

Best regards,
Yahoo Mail Postmaster Team

The Yahoo product feedback forum now requires a valid Yahoo ID and password to participate.

You are now required to sign-in using your Yahoo email account in order to provide us with feedback and to submit votes and comments to existing ideas. If you do not have a Yahoo ID or the password to your Yahoo ID, please sign-up for a new account.

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13 results found

  1. New Webmail ignoring ReplyTo header

    I operate a web hosting system and over 1,500 of my users have Yahoo! email addresses.

    Forms on their websites direct enquiries to them. The forms are sent from a single email address (eg info@mydomain.com) but have the enquirer's email address in the ReplyTo header.

    When my client replies to an enquiry, their reply should go to the email address specified in the ReplyTo header, not to my address (info@mydomain.com).

    However, I've recently been receiving their replies instead of the intended recipients. This is only happening when the client is using Yahoo! mail, not any other provider,…

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  2. I'm dealing with this constant problem of login of my insta account . Since I have used my Yahoo id for the purpose, i have sent a complaint

    I'm dealing with this problem of my logging into my insta account. Since I have used my Yahoo id I have launched a complaint to the Yahoo customer care about not recieving a password reset link on my Yahoo account. They wanted me to write to postmaster so that this problem gets solved soon .

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  3. 503: Wrong sequence of commands

    Mail sent to gmail accounts are bounced back with a 503 error. Started yesterday in premium account slchighpoint@yahoo.com.
    --- Below this line is a copy of the message.

    X-YMail-OSG: 0eEZvegVM1nYk3BAcBg8WZ7AcUveS1tSI4BrUOgphjZCOqvcFNHQBvI28s6QRXN
    FKqzVDIYRXFHUQgramEjHk5sP9Na6j65jGe0GzAyPfDxbpjXepHGasfLKLgO6wixh4K2e9osA
    10h7TJiWG2x
    XQWJhMPWExd3kHc73b7f6n67py0.7.LJAPIOuQs7w9hoXWTFT8fIsDVfobxL0fW
    RZMcrPLi
    w1Vs4sJoHNT5N4RqXS25FPnHHEIRet41pbCuYOjHsl58VhqoFGExXW45DAhLpKSo
    0mu.vVqsfxo4Xs4G6gfFZgxOz4wTCfzgCeDqG0X9oL680QR6GSAOTjNsnqDZSsSnbDICEik9nSV1
    y6Hv9FgmSI5RHmbGJIifJpEnhCmvieGEd6gzNuCbDzHXr1ZnkfMIy6v9AtFZ3tFYwRUoZiixogxz
    szH6gsdNQQk358clMLgOfMYqjPyHrtxsGWUuOMS52wo3wfYSsS7nRGF2c7NhqdzIa8VX691ypmUe
    dx6p8bg--
    Received: from sonic.gate.mail.ne1.yahoo.com by sonic311.consmr.mail.ne1.yahoo.com with HTTP; Tue, 21 Nov 2017 14:38:37 +0000
    Date: Tue, 21 Nov 2017 14:38:33 +0000 (UTC)
    From: Monte Lee slchighpoint@yahoo.com
    Reply-To: Monte Lee slchighpoint@yahoo.com
    To: Paul Shepherd pabloshep@gmail.com
    Message-ID: 1975252338.270852.1511275113285@mail.yahoo.com
    Subject: Best Wishes
    MIME-Version: 1.0
    Content-Type: multipart/alternative;
    boundary="----=
    Part2708511184399089.1511275113284"
    References: 1975252338.270852.1511275113285.ref@mail.yahoo.com
    X-Mailer: WebService/1.1.10982 YahooMailNeo Mozilla/5.0 (Windows…

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  4. We're glad you're here

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  5. your site is awful

    you keep marking my emails as suspected of malware. WHAT RUBBISH
    I am replying to a group message there is NO malware or spam, this has only star\ted and I got about 8 in an hour. Your help site is dreadful, no help at all. and no contact available.. why are you ma=rking as malware???? please fix immediatelyl

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  6. Yahoo servers are following links in messages

    Yahoo servers are following links in messages
    My firm sends emails to yahoo.com clients with embedded html links that permit the recipients to Accept or Decline.

    yahoo.com clients will click one of the hyper links in the email, then our system logs their response as Accept or Decline, and logs the IP Address.

    We are seeing various Yahoo servers (note list below):

    We are periodically, seeing bulk processes of yahoo.com clients emails which are processing both the Accept and Decline client responses, in each email message.

    The yahoo servers are bulk processing these email messages upto 6 weeks after the…

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  7. Unable to receive emails from Capital One.

    address is not blocked, there are no filters, and the emails are not going to spam. They do have the correct address on file. Can someone please look into this?

    thank you.

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  8. what did you start blocking my email after sept. 1

    what did yahoo start blocking some of my emails starting Sept. 1. I can't get a straight answer from yahoo. WHY

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  9. Does yahoo support SPF records with Macros as per the RFC? Getting temperror.

    All other mailbox providers support SPF macros, however, emails sent to yahoo are getting: "Received-SPF: temperror (encountered temporary error during SPF processing of domain of example.com)"

    We are using spfproxy.org's service to help us manage many included SPF records. Is this a know issue? SPF passes with all other email providers.

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  10. Help

    Allow people to directly access help via direct email instead of the 'community' BS so questions can actually get answered.

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    Reviewed  ·  3 comments  ·  Delivery Issues  ·  Admin →
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  11. "Blocking" an email/spam no longer works, you have to "show full header" and block the IP address

    "Blocking Spam" doesn't seem to work any longer. I get MORE mail from the ******* Russian Federation, yet Yahoo can't block that? Gimme a BREAK! If they can send it Yahoo should be on their toes to BLOCK that ****. I've started blocking IP addresses, which has worked pretty well, but Yahoo needs better filtering tools for such nonsense.

    And in 2016 these ******* MORONS are still sending SPAM?

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  12. We're glad you're here

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  13. Why do I have to sign up for a Yahoo account I don't need just to contact a human mail server administrator?

    I'll just add to the frustration of others who find themselves blocked and no way to have a human address the problem, or even any kind of automated review or feedback based on IP address. We've been in business for twenty years, never had more than the occasional outbreak due to a compromised email account that was quickly addressed, and are not currently in any of the anti-spam blacklists or blocked by any of the other major email providers, yet Yahoo has suddenly started refusing email from our mail server (212.71.255.195).

    But it's the same old story; too big to…

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