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If you receive the following error when sending email:-5.1.0 - Unknown address error 554-'Mail...530 Relaying not allowed (enable smtp authentication on your email client)
You will get this error when trying to send emails through our servers if you are not...Can I Change The Name Servers (DNS) On A Domain I Already Own To Point To Your Servers?
Yes you can! When signing up simply choose "I will update the nameservers on a domain I already...554 5.7.1 Your message failed several antispam checks (SCORING) and it was rejected or collected on spambox. Please be sure your mailserver is configured correctly (spf , HELO, PTR) or try using an alternative email or smtp.
If someone sending to you receives this error then it is because the sending email server is...554 5.7.1 DNS Blacklisted by
If someone sending email to you receives this then it is because their sending email server is on...