0
votes
1answer
39 views

Should TLS be used for email on localhost?

I have an application (written in PHP) which sends email using SMTP and runs on the same system as the email server. Are there any security concerns about using port 25 on localhost rather than port ...
0
votes
0answers
145 views

Self-signed TLS certs for Sendmail?

I have (attempted to) set up sendmail send mail over SMTPS on port 465. However, everytime I try to send an email through Thunderbird, the following errors appear in mail.log: NOQUEUE: connect from ...
2
votes
1answer
2k views

Thunderbird: SSL/TLS vs. STARTTLS

Following up this question on serverfault "Is STARTTLS more safe than TLS/SSL?" it came up that the question is rather a question about Thunderbird and not about the actual protocols. Also, if you ...
0
votes
2answers
190 views

Is TLS secure enough to prevent eavesdropping carried out by an ISP?

I would like to "secure" my email, http servers and desktop client by connecting exclusively over TLS, be it email, in/out:80 or just regular "web surfing" traffic. Will that prevent ISP and ...
3
votes
2answers
1k views

How to configure Emacs smtp for using a secure server (gmail)

This is a question originally posed on https://answers.launchpad.net/vm/+question/108267 on 2010-04-26. It asks how one should configure Emacs mail sending packages on MS Windows for use with secure ...