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email:fetchmailrc

.fetchmailrc

fetchmail, as the name indicates, fetches mails from other accounts, forwarding them to the local smtpd. Username-password-pairs for authentication are best kept inside a .netrc file, which is supported by fetchmail.

Fetching POP3 Accounts

poll pop.provider.tld proto pop3
        user "blubusername"
        user "blub2username"

Fetching IMAPS Accounts

poll imap.provider.tld proto imap
        user "blubusername"
        ssl sslfingerprint "<fingerprint>"
        sslcertck
        sslcertpath /etc/ssl/certs/

The fingerprint is shown via:

fetchmail -vv

The IMAP server's certificate has to be saved using the following command:

openssl s_client -connect imap.provider.tld:995 -showcerts >/etc/ssl/certs/imap.provider.tld.pem

In the resulting file imap.provider.tld.pem you have to truncate

  • everything before 'BEGIN CERTIFICATE' and
  • everything after 'END CERTIFICATE'.

Then the SSL-hash has to be updated using:

c_rehash /etc/ssl/certs

Verify communication goes via SSL:

fetchmail -v
email/fetchmailrc.txt · Last modified: 2006/07/20 14:26 (external edit)