Apr 14, 2020

I've managed to install postfix, it works, when i am logged into my VPS as root I can send and receive mail fine. But the problem is i cannot connect with thunderbird or outlook. I also cannot telnet to the machine remotely on port 25. But i can telnet to it on port 25 when i am logged into the VPS. Suddenly cannot connect - MozillaZine Knowledge Base Jul 09, 2007 Getting authentication failure when using Mozilla

[SOLVED] Thunderbird cannot connect to Yahoo! Mail anymore

Using Ubuntu 64 bit 16.04 with Thunderbird 52.6.0, I get "failed to connect to server" in Thunderbird. I'm only using 1 email a/c which is gmail. What's the reason? BTW internet browsing using Chrome is Ok including looking at gmail's emails. Firewall is off. Oct 05, 2017 · In Thunderbird, go to the Tools menu and click Accounts Settings. In the left panel, click Server Settings. In the Server Settings section of the window, click the Advanced button. Change the Maximum number of server connections to cache to 1 and then click OK. Click OK to close the Account Settings window.

Outlook cannot connect to your mail server ? :: SG FAQ

I've managed to install postfix, it works, when i am logged into my VPS as root I can send and receive mail fine. But the problem is i cannot connect with thunderbird or outlook. I also cannot telnet to the machine remotely on port 25. But i can telnet to it on port 25 when i am logged into the VPS.