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Wed, May 23, 2018 10:53 pm

Dovecot restart

A user reported that she was unable to check her email today; she had also reported the problem yesterday. When I checked Sendmail, which would handle her outgoing email, by using Telnet to connect to the well-known port for Simple Mail Transfer Protocol (SMTP) on the server with telnet mail.example.com 25, I saw the Sendmail banner as expected, so I presumed her problem was likely with Dovecot, the software on the system that would allow her to receive her incoming email. I tried connecting to port 110, the well-known port for Post Office Protocol version 3 (POP3) connections using Telnet. When I saw the "Connected to" and "Escape character is" messages, I entered the POP3 user command followed by the user's name, but I would shortly thereafter see a "Connection closed" message every time I tried the connection with Telnet. I never saw the "Dovecot ready" prompt appear.

# telnet 127.0.0.1 110
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
user nell
Connection closed by foreign host.
You have new mail in /var/spool/mail/root
#

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[/network/email/dovecot] permanent link

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