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Email Protocols – POP3, IMAP and SMTP and mail settings

  • POP3: Post Office Protocol version 3 (POP3)
  • IMAP: Internet Message Access Protocol (IMAP)
  • SMTP: Simple Mail Transfer Protocol (SMTP)

Incoming mail server (POP3 or IMAP):

mail.domain.com

Server hostname can also be used as mail server. For example, server.bdhostit.com

IMAP Settings:

  • IMAP port: 143 (IMAP non-encrypted port)
  • IMAP port: 993 (IMAP encrypted port support SSL)

Server requires encrypted connection (SSL). (Apple Mail users should tick “Use SSL”)

POP3 Settings:

  • POP3 port: 110 (POP3 non-encrypted port)
  • POP3 port: 995 (POP3 encrypted port support SSL)

Server requires encrypted connection (SSL). (Apple Mail users should tick “Use SSL”)

Username: EMAIL ADDRESS
Password: EMAIL PASSWORD

Outgoing mail server (SMTP):

mail.domain.com

Server hostname can also be used as mail server. For example, server.bdhostit.com

SMTP Settings

  • SMTP Port = 25 (SMTP non-encrypted port)
  • SMTP Port = 465 (SMTP encrypted port support SSL)
  • SMTP Port = 587 (SMTP encrypted port support SSL)

Username: EMAIL ADDRESS
Password: EMAIL PASSWORD

 

 

 

 

 

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Dovecot Mail Service In Linux – Start, Stop, Restart, Reload, Status, Enable

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems.

  • Start: 
    service dovecot start

    or

    systemctl start dovecot
  • Stop: 
    service dovecot stop

    or

    systemctl stop dovecot
  • Restart: 
    service dovecot restart

    or

    systemctl restart dovecot
  • Reload: 
    service dovecot reload

    or

    systemctl reload dovecot
  • Status: 
    service dovecot status

    or

    systemctl status dovecot
  • Enable Dovecot Mail Service on Boot 
    chkconfig dovecot on

    or

    systemctl enable dovecot
  • Dovecot default configuration file location 
    vi /etc/dovecot/dovecot.conf