Code Magnet

When you try to send mail from code and you find the error "The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required", than the error might occur due to following cases. case 1: when the password is wrong case 2: when you try to login from some App case 3: when you try to login from the domain other than your time zone/domain/computer (This is the case in most of scenarios when sending mail from code) There is a solution for each  Solution for  case 1: Enter the correct password. solution for  case 2: go to security settings at the followig link https://www.google.com/settings/security/lesssecureapps and enable less secure apps . So that you will be able to login from all apps. solution 1 for case 3: (This might be helpful) you need to review the activity. but reviewing the activity will not be helpful due to latest security standards the link will not be useful. So ...

1: Create a file /etc/nginx/conf.d/example.conf 2: sudo chmod +x /etc/nginx/conf.d/example.conf 3: Copy this content and change the domain name according to you domain. server {     server_name  example.com;     rewrite ^(.*) http://www.example.com$1 permanent; } server {   listen          80 default_server;   listen [::]:80 default_server ipv6only=on;   server_name     www.example.com;   root            /opt/apache-tomcat-8.0.24/webapps/ROOT;   location / { proxy_set_header X-Forwarded-Host $host;         proxy_set_header X-Forwarded-Server $host;         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;         proxy_pass http://127.0.0.1:8080/;   } error_page 500 502 503 504 /50x.html; location = /50x.html { root /var/www/html; } }