Post Server Migration, All Mac IMAP Folders Missing
Synopsis After a server migration IMAP folders on Mac Mail 14 went missing. Solution Change the IMAP Prefix from INBOX to blank (empty) “” Reference
What is autoconfig and autodiscover, the related DNS records, that seems to be present in some email clients configurable using some control panels (e.g. Virtualmin and WHM)
Autoconfig and Autodiscover are lifesavers when it comes to email client software configuration. Up to date email clients like Thunderbird and Microsoft Outlook will query
When it comes to email systems, what the difference between port 465 and port 587?
This comes up every day. It makes setting up email less than trivial if it doesn’t work the first time around, or if your email
Easy SPF Setup
Background Want to jump the techie queue and set up SPF without reading reams and reams of documentation? SPF is a typical email security protocol
How to see if your SPAM filter is working
Background Users may be inundated with SPAM messages and therefor start doubting if their SPAM filters are working. There is a common string that can
Useful commands when working with large WHM/cPanel mailboxes
This morning our system alerted us about memory usage on one specific user’s email account. The WHM summary email that came through was rather detailed,
List of Useful Postfix Administrative Tasks – Create a local email forwarder (distribution list) + Create a global domain forwarder
Here are two useful Postfix commands that will help in everyday Postfix administration of forwarders. Create a local forwarder The point of a local forwarder
How does email spoofing work? How do people Phish? Why does it look like my bank sent me a message when in fact it’s a hacker?
Background When the internet was invented there was a lot of trust between the original pioneers that worked at universities. One of the first applications
How to delete instead of striking through messages in the Horde Webmail Client
The Horde webmail client has this strange default whereby messages are struck through instead of being deleted. This can be really annoying and confusing to
How to manually change the outgoing IP address for email delivery on a WHM/cPanel Server
Background You might resort to changing your WHM server’s outgoing SMTP address as a last resort when your server’s IP address has been blacklisted. The