Emails to an important client are 'undelivered'. How can this be rectified?
This is the message that I get:
This is the mail system at host gateway22.websitewelcome.com.
I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The mail system
<[email protected]>: host
securereceive.lawyersonline.co.uk[79.143.158.29] said: 550 5.7.1 <gateway22.websitewelcome.com[192.185.47.206]>: Client host rejected: Sending PHISHING - bye bye (in reply to RCPT TO command)
Reporting-MTA: dns; gateway22.websitewelcome.com X-Postfix-Queue-ID: 8068E2EF2 X-Postfix-Sender: rfc822; [email protected] Arrival-Date: Fri, 21 Jul 2017 04:26:38 -0500 (CDT)
Final-Recipient: rfc822; [email protected] Original-Recipient: rfc822;[email protected] Action: failed Status: 5.7.1 Remote-MTA: dns; securereceive.lawyersonline.co.uk Diagnostic-Code: smtp; 550 5.7.1
<gateway22.websitewelcome.com[192.185.47.206]>: Client host rejected: Sending PHISHING - bye bye
I am not a techy - can anyone help?
Tất cả các câu trả lời (1)
It looks to me that the recipient's host has blacklisted your host because some domain, using the same host as you do, is sending phishing emails. Contact your webhost and see if they can have the blacklist lifted. In the meantime, try using a mail service that is not blocked; you can add your address to a gmail or outlook account as a valid sending address.