Configuring Postfix relay gmail but why get tatus=deferred (SASL authentication failed; cannot authenticate to server smtp.gmail.com[?
4981
"No worthy mechs found" when trying to relay email to Gmail using Postfix
90243
Upgrading to Debian 7: Postfix Auth fails
44277
How to validate smtp credentials before sending mail?
131345
The SMTP server requires a secure connection or the client was not authenticated
67484
"Defective token detected" error (NTLM not Kerberos) with Kerberos/Spring Security/IE/Active Directory
36877
Why is global auth disabled?
3088
Postfix virtualised myhostname
136341
Postfix Domain Whitelisting in Combination with Sender Authentication
15336
Can't login with Stack Exchange OpenID when HTTPS-Everywhere plugin is active - apparent protocol mismatch
31457
How do I use capsh: I am trying to run an unprivileged ping, with minimal capabilities
141375
SMTP-AUTH required for local domains?
49033
OAuth 2.0 Username-Password Flow Problem - unsupported_grant_type
76407
Why doesn't this dummy mutual authentication protocol provide mutual authentication?
24490
postfix fails to send mail with "fatal: unknown service: smtp/tcp"
108277
postfix user unknown in virtual alias table
44212
Why does SSL handshake give 'Could not generate DH keypair' exception?
150678
Sendmail (by postfix) is not working on Ubuntu