Dont Send email for customers by email opencart 2.

问题:

i want to send email for customers email but show message successful but not send email for yahoo or gmail an other. my opencart is 2.3.0.2

Secure SSL/TLS Settings (Recommended)

Username:   [e-mail]
Password:   Use the email account’s password.
Incoming Server:    23.host.com
IMAP Port: 693 POP3 Port: 695
Outgoing Server:    23.host.com
SMTP Port: 512

IMAP, POP3, and SMTP require authentication.

Non-SSL Settings (NOT Recommended)

Username:   [e-mail]
Password:   Use the email account’s password.
Incoming Server:    mail.Max10.com
IMAP Port: 163 POP3 Port: 120
Outgoing Server:    mail.Max10.com
SMTP Port: 25

IMAP, POP3, and SMTP require authentication.

and setting email in admin:

Mail Tab

Mail Protocol
SMTP

Mail Parameters
[e-mail] or [e-mail]

SMTP Host 
mail.Max10.com

SMTP Username 
[e-mail]

SMTP Password 
mypass

SMTP Port 
25

SMTP Timeout 
5

New Order Alert Mail
yes
New Account Alert Mail
yes
Additional Alert E-Mails
null

回答1:

Mail Protocol SMTP

Mail Parameters null

SMTP Host 23.host.com

SMTP Username [e-mail]

SMTP Password mypass

SMTP Port 25

SMTP Timeout 5

New Order Alert Mail yes New Account Alert Mail yes Additional Alert E-Mails null

now : set gmail account in tab Store.

Login to your account gmail, then at the link https://www.google.com/settings/security/lesssecureapps choose allow.