mail

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wikipedia:mail

echo "This is the body" | mail -s "This is the subject" [email protected]

/var/mail/USERNAME

• SPF
• DMARC
• MX
• DKIM

Ports

• 25 SMTP
• 110 POP3
• 143 IMAP
• 587 submission
• 993 IMAP over SSL (IMAPS)
• 995 POP3 over SSL

Services

• Gmail
• iCloud

Related

• mailutils, including mail replacement
• Python: import email

See also

• Mail, SPF, DMARC, MX, DKIM, ARC, Email Authentication, Email spoofing, Sender ID
• Mail, SMTP, submission, SMTPS, POP, IMAP, StartTLS, Exim, Postfix, IRedMail, Fail2ban, Dovecot, Roundcube, DKIM, SPF, DMARC, MX, ssmtp, mailx
• Mail, email: Postfix, mail, SMTP, LMTP, POP3, IMAP, mailutils, amavis, Gmail, iCloud, ssmtp, msmtp