RFC-2449 ● POP3 Extension Mechanism

Capa string

Arguments:

none

Restrictions:

none

Discussion:

An +OK response is followed by a list of capabilities, one per line. Each capability name MAY be followed by a single space and a space-separated list of parameters. Each capability line is limited to 512 octets (including the CRLF). The capability list is terminated by a line containing a termination octet (".") and a CRLF pair.

Possible Responses:

+OK

-ERR

Examples:

C: CAPA

S: +OK Capability list follows

S: TOP

S: USER

S: SASL CRAM-MD5 KERBEROS_V4

S: RESP-CODES

S: LOGIN-DELAY 900

S: PIPELINING

S: EXPIRE 60

S: UIDL

S: IMPLEMENTATION Shlemazle-Plotz-v302

S: .