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DNS & Email
DNS Records Explained: A, AAAA, CNAME, MX, TXT, SPF, DKIM
What do the most common DNS record types do, and when should you use which? A/AAAA, CNAME, MX, TXT, SPF, DKIM, DMARC and TTL with examples.
Email Settings: IMAP, SMTP, POP3 Ports and Server Details
Setting up an email account in Outlook, Thunderbird, iPhone and Android: IMAP/POP3/SMTP ports, SSL/TLS settings and common errors.