![]() ![]() Ususually within 3-tries of manually trying to re-queue the email, it goes through - and there´s not telling which of the mail servers it will send trough. If I get the error again, I try once more. I try it again (within seconds of getting the deferred error). If I try to force the delivery of that email, it may or may not go through the first time. Aside from the thousands of Yahoo emails sitting there, there is a particular ´good´ address that I know is valid. I´m using cPanel, and viewing emails via Mail Queue Manager. It´s like Yahoo´s mail servers are picking and choosing which emails to accept, and when.Įxample. ![]() Perhaps greylisting and some form of blacklisting or service denial based on some kind of algorithim. Is anyone else that is having troubles being blocked from smtp on yahoo´s servers at connect? I am wondering if there is more than one issue for the delivery issues with yahoo. Seems like the success rate is low for that. I will post here if I get a response from Yahoo from my support request. It would seem if they have us at a lower priority that some messages would get through. Our expire period on our queue is 1 day, so that is around 1 days worth of messages. We are on our 5th day of not being able to deliver to yahoo, and we have over 3000 messages in our queue for yahoo. I have used yahoo´s "form" and hopefully we will get a response. That makes me wonder if the Domain Keys would help in our situation, since we can´t get a connect at the front end. It seems that we are blacklisted, or have a lower priority at the IP level. I did verify that I can connect (to Yahoo) using another server within our domain and I can send mail through that connection. How can it check for the normal grey list "triplets" if I don´t connect and send data? I can not connect using telnet from our outbound server. ![]() It would seem if it was greylisting, that we wouldn´t be blocked from connecting. What I found out is we are being blocked when we try to connect. After that didn´t work, I tried connecting to the yahoo mail servers using telnet to port 25. I have tried changing my re-delivery rate within our MT in an attempt to get mail through. This site has been very informative on this problem. I work at a University and we are having major yahoo delivery issues that started around the 26th. If you notice any further difficulties with delivering to Yahoo! MailĪccounts after waiting a reasonable amount of time, please let us know Possible issues regarding mailings from the mail server. If you are not the administrator for the mail server(s) affected, weĮncourage you to contact the administrator so they can address the Page is a link to a feedback form where you can contact our CustomerĬare team to apply for possible whitelisting. Recommended best practices for bulk mailers. Please also refer to the Help page below for more information on our The following link contains information on maintaining prioritized Typically, deprioritizationsĪre triggered by bad individual sender or MAIL FROM profiles. These deprioritizations were temporary but may be re-triggered if the May also have recently become deprioritized due to potential issues with However please note that emails from the mail server(s) you are using You may retry sending at a later time when you The error message "451 Message temporarilyĭeferred - 4.16.50" indicates that our MTAs are currently experiencing There appears to have been an incident involving capacity issues within ![]()
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