Disabling of Plaintext Authentication for E-Mail

The mail configuration has been changed to make e-mail more secure on the server:Receiving e-mailThe allowing of plaintext authentication for POP3 and IMAP has been disabled.Connections to the server on ports 110 and 143 will not be allowed.Sending e-mailE-mail clients will be required to connect with SSL or issue the STARTTLS command before being ... Read More »

3rd Jun 2019
Preventing SPAM with Greylisting

Greylisting is the process of deferring emails from unknown senders. When the email arrives, Greylisting causes the server to return a message that boils down to, “I’m busy at the moment, try again in a bit.” Valid Mail Transfer Agents (MTAs), like Exim, will automatically retry many times. This retry time can be several minutes to start and ... Read More »

3rd Jun 2019