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First of all, I'd like to express very sincere thanks for making this plugin available...thank you! Next, today I began to implement this for some domains on our SM 4 server. The problem I'm having is that I seem to have it set up correctly, and when I send messages from the various domains for...

Hi All, We cannot deliver messages to users with Yahoo Mail consistently, we keep getting a 421 message. Eventually SmarterMail stops retrying. Here is the message we get: Failed Recipient: <REMOVED ADDRESS>@yahoo.com Reason: Remote host said: 421 Message from (208.106.250.195) temporarily deferred...

Hi guys, I thought of sharing a good link with you all, http://www.youlay.com Go through this you can find any kind of photos, pictures here. The beauty here is you can create private albums and share with your friends alone, great stuff huh

I did not enable domainkeys, but I never enabled domain keys for the other servers Merak, Qmail etc but all are working except Smartermail, any special setting I must set?

I have problem sending emails to Yahoo, emails get delayed and into the Bulk folder , whereas no problems when I send to Hotmail and Gmail,is there anything I can do?

RDNS has to be set up for each of your IPs (rdns usually goes through your ISP) and then you should set up your host names (SM 4.2 only). SPF has to be added to each and every domain that is used to send emails. Its not just for Yahoo, many servers use it for anti-spam purposes and its good to have....

Most mail server admins went through this phase of 421 errors with Yahoo. We installed DK and it seems to have solved the problem, its been quiet for about a month or so now.

Excellent post! Thank you! I have a couple questions: 1) What is the response time you experienced? If I don't get a response within a certain amount of time, should I resend it the email? 2) Also, I have set up the DomainKeys using the free plugin for SmarterMail (DKeyEvent). Their user guide was VERY...

It seems many mail server admins are having some major trouble with Yahoo lately. Basically mails to Yahoo often get "deferred" during most hours. Some of them eventually do not go through after multiple tries and end up returned. Here I'd like to share some of my experience on getting your email servers...

We've been having an issue with all accounts on our server. It seems that since last week all emails sent to yahoo accounts are being "deferred" back to the sender (421 error). When it started last week we filled a request for whitelist with Yahoo and it seemed that the problems stopped, however after...