FreeKB - Postfix (Email) articles
Postfix (Email) articles
DKIM (DomainKeys Identified Mail)
Enable DKIM (Domain Keys Identified Mail)
Forward emails using /etc/aliases
Viewing email headers (TO FROM SUBJECT)
Receive external emails
Retrieve email using the Terminal
Install Postfix on Linux
List emails in mail queue using the postqueue command
nssdb (Network Security Services Database)
Append certificates to nssdb (Network Security Services Database)
Delete certificates in nssdb (Network Security Services Database)
List certificates in nssdb (Network Security Services Database)
Configure Postfix to listen on certain ports
Send email using PowerShell
Relay emails through mail.twc.com (Spectrum Time Warner Cable)
Relay emails through SendGrid
Create your own rules for SpamAssassin
Flag foreign language email using SpamAssassin
Integrate SpamAssassin with Postfix
Enable SPF (Sender Policy Framework)
Encrypt SMTP traffic using a public/private key pair (SMTPS port 587)
Resolve "5.3.4 message size limit exceeded"
Resolve "authentication failed"
Resolve "Could not open connection to host, on port 25: Connect failed"
Resolve "fatal: request to deliver as mail system owner"
Resolve "hostname does not resolve to address"
Resolve "no shared cipher"
Resolve "opendkim-testkey: keys do not match"
Resolve "Peer's certificate issuer has been marked as not trusted"
Resolve "Unauthenticated senders not allowed" with SendGrid relay
Resolve error "4.7.1 Relay access denied" when sending an email using Mozilla Thunderbird
Resolve error '454 4.7.1 Relay access denied' when attempting to send a Postfix email
Test connection using openssl
Users and Groups
Create a new user account
Create a users email address and inbox