fetchmail is confusing me

[Hugo van der Merwe <hugo@adept.co.za>]

Hello all,

I've got fetchmail from latest unstable.

Does anyone know what this means (specifically "retained", and
fetchmail not passing it on to my local MTA like other emails):

$ fetchmail -v mail.adept.co.za
fetchmail: 6.1.2 querying mail.adept.co.za (protocol POP3) at Mon 10 Feb 2003 07:10:43 SAST: poll started
fetchmail: POP3< +OK ready
fetchmail: POP3> CAPA
fetchmail: POP3< +OK Capability list follows
fetchmail: POP3< TOP
fetchmail: POP3< USER
fetchmail: POP3< LOGIN-DELAY 0
fetchmail: POP3< EXPIRE 0
fetchmail: POP3< UIDL
fetchmail: POP3< RESP-CODES
fetchmail: POP3< AUTH-RESP-CODE
fetchmail: POP3< X-MANGLE
fetchmail: POP3< X-MACRO
fetchmail: POP3< X-LOCALTIME Mon, 10 Feb 2003 07:11:39 +0200
fetchmail: POP3< .
fetchmail: POP3> USER hugo
fetchmail: POP3< +OK Password required for hugo.
fetchmail: POP3> PASS *
fetchmail: POP3< +OK hugo has 1 visible message (0 hidden) in 513 octets.
fetchmail: POP3> STAT
fetchmail: POP3< +OK 1 513
1 message for hugo at mail.adept.co.za (513 octets).
fetchmail: POP3> LIST
fetchmail: POP3< +OK 1 visible messages (513 octets)
fetchmail: POP3< 1 513
fetchmail: POP3< .
fetchmail: POP3> RETR 1
fetchmail: POP3< +OK 513 octets
reading message hugo@mail.adept.co.za:1 of 1 (513 octets)
fetchmail:  retained
fetchmail: POP3> QUIT
fetchmail: POP3< +OK Pop server at stb-mail-01.adept.za.net signing off.
fetchmail: 6.1.2 querying mail.adept.co.za (protocol POP3) at Mon 10 Feb 2003 07:10:53 SAST: poll completed
fetchmail: normal termination, status 1

I'll use a -v -v next time, for now, I want to know what "emails"
these are that never reach me.

Please CC me, thanks.
Hugo van der Merwe