550 dkim encountered the following problem validating I am available for sex chat on skype

To test it out, wait a few minutes for the newly enabled DKIM domains to replicate throughout the network, then send a message to another account such as your Outlook.com/Hotmail account, Yahoo account, Gmail account, or other account that you have access to.

This happens when you or one of your clients have frequently sent emails to invalid or non-existent email accounts and the percentage of bounced emails have reached its limit per hosting account.

c Panel will regularly monitor the emails sent through all email accounts on your domain, and if, over the past hour, more than 25% of the attempted deliveries have failed, outbound email will temporarily be limited.

This should be the correct behavior, or I should acccept these emails?

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise.

If this occurs, you should ensure that Office 365 is the last service to relay out to the Internet, otherwise you may get some email bounces due to a broken DKIM signature.

In cases like this, messages with failed DKIM signatures are not supposed to be bounced by the receiver, as per RFC 6376, section 6.1 and 6.2.

Also, SPF records and Domain Keys can verify your emails are being sent un-tampered from a valid server.

A message that you sent could not be delivered to one or more of its recipients. The following address(es) failed: [email protected] has exceeded the max defers and failures per hour (5/5 (100%)) allowed. You are facing a c Panel restriction in order to prevent spam in the server.

In that case our server answers a 5.5.0 error saying: We found lots of customers/suppliers which are using Google hosted mail (Google Apps).

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