The first day I switched to self-hosted mailboxes, the domain name of the mail service was blacklisted by SURBL. I submitted a Removal request as soon as I could. After months of waiting, it was finally successfully removed from the list.

When I was using WordPress, I was wondering what kind of way to implement a multilingual website. WordPress itself has great support for multilingual UI, but building a multilingual website with WordPress is a bit difficult. I switched to Grav and learned a great way to do it. When I started writing my own programs, I was determined to implement a solution that worked well and made sense. This article discusses some of the design details involved.

More than a year ago, I researched the status of comment systems at the time and ultimately chose a traditional comment system for the website. To date, there have been some new developments and new ideas.

Previously, I used an idle IP to set up port forwarding to hide my Forgejo server's IP, which worked excellently. However, when I recently set up my email service, I discovered that using iptables for port forwarding over the public network does not allow the application to correctly obtain the client's IP. This was not an issue for informal external applications. However, since my email service uses Greylist to filter spam, the sender's IP is an important parameter. Therefore, I need to obtain the actual client IP.

I have been using Postal as a replacement for SendGrid for some time now. It can almost completely replace SendGrid. During its use, I encountered some issues. This article records some experiences.

Cloudflare's email routing feature is quite useful. Additionally, I have been using SendGrid for sending emails and have been on the lookout for alternatives. Self-hosted email options include Mail-in-a-box, Docker-mailserver, MailCow, among others. However, sometimes I don't need an inbox, so I decided to try Postal as a replacement for SendGrid. This article documents the installation and usage of Postal.

A recent article, "Is the Chinese Internet Collapsing at an Accelerating Rate?", triggered attention. What's more interesting is that this article, which was first published on Media Platform of WeChat, was deleted by the platform. Some netizens lamented that “Chinese Internet” is really collapsing.

Using SvelteKit it is very easy to create web applications with SSR, but for SEO we need to add some metadata like JSON-LD to the page.This article will explain how to use JSON-LD in SvelteKit applications.