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Cone(C) MAILTOOL(1) Cone: COnsole Newsreader And E MAILTOOL(1) NAME mailtool - Process mailboxes SYNOPSIS mailtool [options...] USAGE mailtool is a diagnostic utility for handling various operations on mail- boxes. mailtool's main uses include: display the list of folders in a mailbox; displaying list of messages in a mailbox; and copying mailboxes. The following mailboxes can be accessed by mailtool: imap://userid@server[/options] An IMAP account. mailtool will prompt for the login password. imaps://userid@server[/options] An IMAP account accessed via an encrypted SSL connection. pop3://userid@server[/options] A POP3 account. mailtool will prompt for the login password. pop3s://userid@server[/options] A POP3 account accessed via an encrypted SSL connection. maildir:path A local maildir mailbox. path specifies the maildir's location rela- tive to the home directory (NOT the current directory). mbox:path Local mbox mail folders. path specifies the path to an mbox folder file, or a directory containing mbox folders, relative to the home di- rectory (NOT the current directory). inbox:path Local mbox mail folders, like "mbox:path"; additionally, the system spool mailbox is automatically copied to $HOME/Inbox, which is accessi- ble as folder INBOX. The name of a remote IMAP or POP3 server may be followed by one or more op- tions that control various settings of the IMAP or POP3 connection: /cram Do not open the account unless the server supports secure password au- thentication. Secure password authentication verifies the account's password using a challenge/response authentication mechanism (where the label "cram" comes from). The actual password is never actually trans- mitted to the server, and therefore cannot be intercepted while in transit over an untrusted network. Secure password authentication is not supported by all servers. This option may not work with some servers. This option does not enable se- cure password authentication, it only mandates its use. If the server supports secure password authentication, it will be used even without the /cram option. Traditional userid/password authentication will be used only if the server does not implement secure password authentica- tion. The /cram option makes secure password authentication mandatory. The /cram option is marginally useful even with encrypted server con- nections. The secure password authentication never sends the explicit password to the server. Encryption makes it theoretically impossible to recover the password from an encrypted data connection; but with secure authentication the password is never sent over the connection in the first place (the password's validity is certified by exchanging certain mathematical calculations between the server and the client). If the server is compromised, the compromised server will not receive the ac- count password (unless the password is recovered from the server in other ways). /imap Do not use the SMAP if the server claims the availability of this ex- perimental mail access protocol, and fall back to IMAP compatibility mode (this option is meaningful only with "imap://" and "imaps://" URLs). /notls Do not upgrade a plain connection to an encrypted one. This option is primarily used for testing and debugging purposes. Sometimes this op- tion might be useful with servers that claim to offer encryption, but are unable to do so when taken up on their offer. /novalidate-cert Do not validate the server's SSL certificate when using an encrypted connection. Normally the mail server's SSL certificate must be validate when using an encrypted connection. The certificate's name must match the server's name, and the certificate must be signed by a trusted cer- tificate authority. The encrypted connection normally fails if the certificate cannot be validate. Validation requires that a list of trusted certificate au- thorities must be known and configured. It's simply impossible to know which certificate authorities are valid without an explicit list of valid, known, trusted, certificate authorities. If a trusted authority list is not configured, no certificate can be validated. If the server's certificate is a self-signed certificate (this is often used for testing purposes), or if it's not signed by a known authority, the encrypted connection fails. This /novalidate-cert option disables certificate validation. The en- crypted connection will be established even if the server's certificate would otherwise be rejected. Note This option is applicable even when an encrypted IMAP or POP3 con- nection is not explicitly requested. Many mail servers are capable of automatically upgrading unencrypted connections to a fully-en- crypted connection. If a mail server claims to be able to use en- cryption, then there's no reason not to use it. The result is that all encryption certification requirements still apply even when en- cryption is not explicitly requested. Displaying mailbox contents mailtool -tree | -list account -tree shows a hierarchical representation of mail folders in account. -list generates a simple folder listing, one folder name per line. -tree shows folder names, while -list shows the actual mail folder path in ac- count. mailtool -tree imap://jsmith@mail.example.com/novalidate-cert/cram Creating folders mailtool -create | -createdir folder name account -create creates a new subfolder of folder in account. The new subfolder's name is name. -createdir creates a new folder directory (a folder that contains other folders). mailtool -create INBOX.lists announcements maildir:Maildir This command creates a new folder "announcements" as a subfolders of "IN- BOX.lists" in the local maildir. Deleting folders mailtool -delete | -deletedir folder account -delete deletes an existing folder in account. -deletedir deletes a folder directory. mailtool -delete INBOX.lists.announcements maildir:Maildir Renaming folders mailtool -rename oldfolder folder name account -renames renames an existing oldfolder. The folder is renamed as name, as a subfolder of folder. folder may be an empty string if the folder should be moved to the top level of account's folder hierarchy. mailtool -rename INBOX.lists.announcements INBOX.lists Announcements maildir:Maildir The folder "INBOX.lists.announcements" is renamed to "INBOX.lists.Announce- ments". This slightly unusual way to rename folder allows folders to be re- located in the mail account's folder hierarchy. Reading folder's index mailtool -index folder account -index downloads and prints a summary of all messages in folder, in ac- count. The summary shows the sender's and recipients' address, the mes- sage's subject, and size. mailtool -index INBOX imap://john@mail.example.com/novalidate-cert Message headers mailtool -headers folder n account -headers retrieves and shows the headers of message #n (ranging from 1 to the number of messages in the folder) in folder, in account. The message numbers may be obtained by using -index. mailtool -headers INBOX 28 imap://john@mail.example.com/novalidate-cert Removing a message from a folder mailtool -remove folder n account -remove removes message #n (ranging from 1 to the number of messages in the folder) in folder, in account. The message numbers may be obtained by using -index. n may be a comma-separated list of message numbers, in strictly numerically increasing order. -remove confirms the list of messages to remove and is- sues a "Ready:" prompt. Press ENTER to remove the messages. mailtool -remove INBOX 28,31 imap://john@mail.example.com/novalidate-cert Filtering messages mailtool -filter folder account -filter is a combination of -index and -remove. folder's index is down- loaded, and the summary of each message is shown, one message at a time. Each message's summary is followed by a prompt: "Delete, Skip, or Exit". Pressing D removes the message, S leaves the message unchanged, and E leaves the remaining messages unchanged. mailtool -filter INBOX pop3://john@mail.example.com/novalidate-cert Note -filter is not meant to be used with large folders. Unless messages are removed quickly, the connection to the server may be disconnected for inactivity. Copying folders mailtool [-recurse] -tofolder tofolder -copyto toaccount -fromfolder from- folder fromaccount This command copies an entire folder, fromfolder in fromaccount to a new folder, tofolder (which will be created, if necessary) in toaccount. Op- tionally, -recurse specifies that all subfolders of fromfolder should also be copied. mailtool -tofolder INBOX -copyto maildir:Maildir \ -fromfolder "INBOX" imap://mbox100@mail.example.com/novalidate-cert mailtool -recurse -tofolder INBOX.converted_mail \ -copyto maildir:Maildir -fromfolder "mail" \ imap://mbox100@mail.example.com/novalidate-cert This example first copies the INBOX on the IMAP server to $HOME/Maildir, then copies subfolders of "mail" on the IMAP server to the "converted_mail" subfolder in the maildir. mailtool -tofolder INBOX -copyto maildir:Maildir \ -fromfolder "INBOX" inbox:mail mailtool -recurse -tofolder INBOX.converted_mail \ -copyto maildir:Maildir -fromfolder "" mbox:mail This example first copies $HOME/Inbox (accessed as the INBOX folder in in- box:mail) to $HOME/Maildir, then copies mbox folders from $HOME/mail to the "converted_mail" subfolder in the maildir. Note Mail accounts that contain hybrid folders (folders that contain both messages and subfolders) can only be copied to account types that also support hybrid folders: either local maildirs, or to remote servers that support hybrid folders. SEE ALSO cone(1). AUTHOR Sam Varshavchik Cone(C) 03/15/2026 MAILTOOL(1)
NAME | SYNOPSIS | USAGE | SEE ALSO | AUTHOR
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