Fail to send an email for sales or purchase order

I haven’t bee able to send an email (invoices/orders etc.) since yesterday afternoon I get a message: Failure Sending Email each time I try to send.

I verified the email settings and everything is setup correctly.

“Email Settings”:

Email Address - my gmail e-mail address
Use Custom SMTP Server = yes
Port: 465
Use SSL = yes
SMTP server requires autentication = yes
Username = my gmail e-mail address
Password = my gmail e-mail password

What am I doing wrong?

I try Port 587 and same problem

What if you turn off Custom SMTP server option. Do you still experience the same problem?

Yes same problem

Now it is ok thanks