Note: If you are unable to create your stunnel.pem file you can use the following form to generate this file for you.Ģ) Launch stunnel and check the connection to the GMail server: stunnel Also, for SMTP connections, the stunnel will listen at port 11025 and will redirect all requests them to GMail via SSL port 465 (smtps).
Stunnel tutorial how to#
The above config will make stunnel to listen at port 11110 for incoming POP3 connections and will redirect them to GMail via SSL port 995 (pop3s). How To Set Up an SSL Tunnel Using Stunnel on Ubuntu Step 1: Create an Ubuntu Droplet. To have the direct access to GMail SMTP/POP3 service follow 2 simple steps:ġ) Alter the stunnel config /etc/stunnel/nf and fit it with following contents: cert = /etc/stunnel/stunnel.pem I used standard ports for incoming and outgoing mail so that any anti-virus program would not need to be changed. If you wish to save the sample nf do it right after step 1 as step 2 replaces it with one specific to Gmail. Stunnel is designed to work as SSL encryption wrapper between remote clients and local or remote servers. However, the nf file must be in the same directory as stunnel.exe.
This post shows the way how to access directly POP3/SMTP Gmail services with stunnel which is installed by default on most Linux distributions. Note that this service is disabled by default and could be enabled by following these instructions. Google's Gmail SMTP/POP3 access is free for all Gmail users and could be accessed only via SSL. stunnel & telnet 127.0.0.1 2525 Trying 127.0.0.1. When choosing a non loopback interface, make sure to use a. How to access GMail SMTP/POP3 service with stunnelĪccess GMail SMTP/POP3 services with stunnel To add a new tunnel, go to VPN -> Stunnel -> Configuration and click the + to add a new record.
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