I installed discourse behind nginx according this post . Also I have SSL certificate installed by certboot Registration activation email is not sending and when I run ./discourse-doctor on email sending step I get Net::ReadTimeout However, everything is OK with curl. I send message on the same por…

No success. Got this ======================================== ERROR ======================================== Connection to port 2525 failed. ====================================== SOLUTION ======================================= The most likely problem is that your server has outgoing SMTP traff…

Are you on DigitalOcean? They are known to block outbound mail ports on new servers, particularly on new accounts. Reach out to them to get it unblocked if so, but use 587 if possible! 465 was revoked by the IETF years ago.

Not DigitalOcean. I use other Ubuntu VPS and Yandex as smtp server. Curl fails on 25, 2525 and 587 ports, but works on 465

Either way sounds like your provider is blocking you. Definitely worth reaching out to get the restriction removed.

I am able to connect to smtp server via telnet on ports 25, 587 and 465. So, I don’t think someone blocks ports.

The Question is why am I getting ReadTimeout with Discourse while with curl I can successfully send message (on 465 port)

Try from inside the container. ./launcher enter app You may have docker blocked from getting outside.

Or whichever host is conducting traffic inspection, which would explain why it works until you wrap it in TLS.

Tried from within docker. Successfully sent with curl root@server-app:/var/www/discourse# curl --url 'smtps://smtp.yandex.ru:465' --ssl-reqd \ --mail-from '...' --mail-rcpt '...' \ --upload-file mail1.txt --user 'login:pass' % Total % Received % Xferd Average Speed Time Time Ti…

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Soporte Instalación

Stranik (Evgeny) 28 Abril, 2020 10:48 18

¡587!

Usamos varios sitios de Discourse con Yandex. Y en todos los casos con el puerto 587 funciona perfectamente. El puerto 465 no funcionó inicialmente.

Cannot send email - problem with port 465

Tema		Respuestas	Vistas
Mail system not working even thought I tested it with telnet and other platforms Self-hosting	8	1944	23 Abril 2022
When i use email :timeout? Support email	3	146	3 Abril 2025
Cannot send email - problem with port 465 Self-hosting email	10	4596	20 Noviembre 2022
Post-install, Curl can send email, but Discourse cannot. Help to fix? Self-hosting	15	1348	6 Agosto 2020
Discourse with other websites, SMTP issue: End of file reached Self-hosting	8	2388	22 Octubre 2020

No se puede enviar correo electrónico: Net::ReadTimeout

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