My server don’t send e-mails :(. I tried to set SMTP2GO as relay ( Configure Server/E-mail server/Global SMTP Relay) at mail.smtp2go.com port 2525 with my user/pswd. Restart Exim4. At logs I have
2024-05-29 13:48:49 1sBu1Y-000myh-0K H=mail.smtp2go.com [139.162.187.151]: SMTP timeout after initial connection: Connection timed out
2024-05-29 13:51:00 1sBu1Y-000myh-0K H=mail.smtp2go.com [176.58.103.10]: SMTP timeout after initial connection: Connection timed out