Cannot connect to SMTP server

Support
1

What type of hardware are you using: VPS bought online
What YunoHost version are you running: 11.2.30.2
How are you able to access your server: The webadmin
Are you in a special context or did you perform specific tweaking on your YunoHost instance ?: No

Describe your issue

I have a freshly set up YNH server with Let’s Encrypt and custom domain name. I am attempting to set up my mail client (Mac mail) and while I can receive emails with no problem, I cannot send them. I’ve set custom settings in the client but it just won’t work. Is that a YNH issue, or an Apple mail issue? I tried to set up Outlook as well and it gave the same issue (“SMTP outgoing secure connection unavailable”)

Share relevant logs or error messages

https://paste.yunohost.org/alavaraduy

2

TLS library problem: error:14209102:SSL routines:tls_early_post_process_client_hello:unsupported protocol:../ssl/statem/statem_srvr.c:1685:

Sounds like maybe your mail client is super old and doesn’t support recent versions of TLS ? And/or could it be that you tweaked the security settings of YunoHost to enforce super-recent versions of TLS ciphers for SMTP ?

3

Hi Aleks - I don’t think that’s it. I modified my server to allow TLS 1.2 and tried both Apple Mail and Outlook - neither one can connect. I’m wondering if DNS could be causing an issue…I can receive emails, though, and the diagnosis tool says everything is set up correctly.

4

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