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#### POP3 specific settings### Don't try to set mails non-recent or seen with POP3 sessions. This is# mostly intended to reduce disk I/O. With maildir it doesn't move files# from new/ to cur/, with mbox it doesn't write Status-header.#pop3_no_flag_updates = no# Support LAST command which exists in old POP3 specs, but has been removed# from new ones. Some clients still wish to use this though. Enabling this# makes RSET command clear all \Seen flags from messages.#pop3_enable_last = no# If mail has X-UIDL header, use it as the mail's UIDL.#pop3_reuse_xuidl = no# Allow only one POP3 session to run simultaneously for the same user.#pop3_lock_session = no# POP3 requires message sizes to be listed as if they had CR+LF linefeeds.# Many POP3 servers violate this by returning the sizes with LF linefeeds,# because it's faster to get. When this setting is enabled, Dovecot still# tries to do the right thing first, but if that requires opening the# message, it fallbacks to the easier (but incorrect) size.#pop3_fast_size_lookups = no# POP3 UIDL (unique mail identifier) format to use. You can use following# variables, along with the variable modifiers described in# doc/wiki/Variables.txt (e.g. %Uf for the filename in uppercase)## %v - Mailbox's IMAP UIDVALIDITY# %u - Mail's IMAP UID# %m - MD5 sum of the mailbox headers in hex (mbox only)# %f - filename (maildir only)# %g - Mail's GUID## If you want UIDL compatibility with other POP3 servers, use:# UW's ipop3d : %08Xv%08Xu# Courier : %f or %v-%u (both might be used simultaneously)# Cyrus (<= 2.1.3) : %u# Cyrus (>= 2.1.4) : %v.%u# Dovecot v0.99.x : %v.%u# tpop3d : %Mf## Note that Outlook 2003 seems to have problems with %v.%u format which was# Dovecot's default, so if you're building a new server it would be a good# idea to change this. %08Xu%08Xv should be pretty fail-safe.##pop3_uidl_format = %08Xu%08Xv# Permanently save UIDLs sent to POP3 clients, so pop3_uidl_format changes# won't change those UIDLs. Currently this works only with Maildir.#pop3_save_uidl = no# What to do about duplicate UIDLs if they exist?# allow: Show duplicates to clients.# rename: Append a temporary -2, -3, etc. counter after the UIDL.#pop3_uidl_duplicates = allow# This option changes POP3 behavior so that it's not possible to actually# delete mails via POP3, only hide them from future POP3 sessions. The mails# will still be counted towards user's quota until actually deleted via IMAP.# Use e.g. "$POP3Deleted" as the value (it will be visible as IMAP keyword).# Make sure you can legally archive mails before enabling this setting.#pop3_deleted_flag =# POP3 logout format string:# %i - total number of bytes read from client# %o - total number of bytes sent to client# %t - number of TOP commands# %p - number of bytes sent to client as a result of TOP command# %r - number of RETR commands# %b - number of bytes sent to client as a result of RETR command# %d - number of deleted messages# %{deleted_bytes} - number of bytes in deleted messages# %m - number of messages (before deletion)# %s - mailbox size in bytes (before deletion)# %u - old/new UIDL hash. may help finding out if UIDLs changed unexpectedly#pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s# Workarounds for various client bugs:# outlook-no-nuls:# Outlook and Outlook Express hang if mails contain NUL characters.# This setting replaces them with 0x80 character.# oe-ns-eoh:# Outlook Express and Netscape Mail breaks if end of headers-line is# missing. This option simply sends it if it's missing.# The list is space-separated.#pop3_client_workarounds =protocol pop3 {# Space separated list of plugins to load (default is global mail_plugins).#mail_plugins = $mail_plugins# Maximum number of POP3 connections allowed for a user from each IP address.# NOTE: The username is compared case-sensitively.#mail_max_userip_connections = 10}