I prefer email over other messaging systems. Whenever my computer is on, my email client is open. I usually respond within 24 hours but sometimes it may take a day or two.

My email address is alirezahayati at riseup period net. For what is related to your free software matters, Free Software Foundation, or the GNU Project, please send your email messages to arh at gnu period org.

It’s best to encrypt your message even if your message is not sensitive. Use my PGP key to do so. Also, you should send me your public key so I can encrypt my messages to you too.

For instant messaging, I use XMPP. You may know it as Jabber, it’s a decentralized secure private messaging protocol with encryption. My ID is You should verify my fingerprints before sending any message.

There’s also Matrix. Matrix is too decentralized and end-to-end encrypted. My handle is Like other encrypted messengers, you should verify my fingerprints first.

I also publish some posts on Mastodon decentralized social network. My handle is Unlike Twitter, which is centralized, you can follow or interact with me on any fediverse/ActivityPub compatible server. That includes, but is not limited to, Mastodon, Pleroma, and GNU Social.

You can subscribe to this blog using my blog’s feed. If you don’t know what is a blog feed, you can read this post which explains RSS and Atom.

Some guides

Send your messages in plain text. Don’t send HTML messages. If you send me a link to your message, I won’t open it. Please don’t send files I haven’t asked for. I won’t open any file unless I’ve asked for it.

Don’t be shy to ask me a for a favor, if you need anything and feel I can do it for you, ask me. I’ll say no if I can’t do it or I just don’t want to.

You don’t need to be so polite, I follow Crocker’s rules.

I may miss your message. This happens very rarely but it’s possible. If you think I missed your message, don’t hesitate to send a reminder. Please reply your previous message so I know what’s this about.

If you want to comment on a post, send me the link of the post so I can understand what you’re talking about. Please note that my opinions have changed many times, and will change again in future, that happens when you’re growing up.

Don’t ask for personally identifiable data of me or anybody else.