Can not send mail

I am create email address called [email protected] it opened roundcube but it not send mail how to solve that

Please start with the actions taken? Any errors? Port 25 blocked?

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Port 143, 25 587 all are open but not send mail

Not by accident a firewall by your VPS hosting company? Internet provider also often block port 25. if there is any emails?

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I am using aws EC2
I don’t know I am beginner

In mail there are a mail address [email protected]
.com I received mail but i don’t send mail

Maybe check first


port 25 is blocked can I chenge port to 465 to send mail from roundcube and it’s work with out ssl on mail domain if not how to install ssl on main domain

Hi @Saptrishi,
Port 25 is necessary for sending emails.