550-Please turn on SMTP Authentication in your mail client

Aarowned

• February 08, 2018 11:14

Hey guys, Excuse me for being a bit of a noob here. My email just starting bouncing this back when I try send mails. ------------ This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: Test@example.uk host eu-smtp-inbound-1.domain.com [195.130.xxx.xxx] SMTP error from remote mail server after RCPT TO:: 550-Please turn on SMTP Authentication in your mail client. 550-somedomains.com (webhosting2.servername.com) [173.199.xxx.xxx]:43798 is 550 not permitted to relay through this server without authentication.
-------- I can still receive emails. I have no idea what 550-somedomains.com is doing there - I never seen that before or heard of it. Anyone any suggestions I would be most helpful - my web hosting is useless at helping me.

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  24x7server

  • February 09, 2018 05:46

  Hi, What is the MX record that the domain is using, does it point to you server or other?

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  cPanelMichael

  • February 14, 2018 18:32

  Hello, How are you sending the email? For instance, if it's with an email client, do you have SMTP authentication enabled in the client's outgoing mail settings? Thank you.

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