Recently we received complaints from our programmers saying their codes to send emails via smtp.office365.com were failing due to login failure. We checked and found that the issue is due to the introduction of Security Defaults in Azure security to block legacy authentication methods. As a quick solution, we resorted to turning off the securiy … Read more
I’ve upgraded my Microsoft Outlook to Microsoft Outlook 2016/365 and added IMAP connection to my Gmail account. I was expecting that all IMAP folders to be listed as per my older Outlook. Unfortunately I found that all folders were available except the All Mail folder. This folder will list all emails available in my Gmail … Read more
Recently I’ve configured a client’s hosting to point its MX to an external Spam Filter. After pointing to the new MX server, I started receiving the following errors:-
lowest numbered MX record points to local host
and
Please turn on SMTP Authentication in your mail client.
Recently there has been many rogue incoming SMTP connections from different IP addresses with the same machine name – “ylmf-pc“. My guess is that these different machines were infected with malware and this malware is utilizing the machine to perform brute force password attack to gain authorization. My server is hosting cPanel and thus using … Read more