Milter-greylist

jeffw@... (Jeff Wasilko) writes:

> On Tue, Jun 01, 2004 at 06:32:49PM +0200, Enrico Scholz wrote:
>> Longest 'FROM' addresses are around 90 characters (maillist bounce-addresses)
>> here. So 128 seems to be a good value.
>
> It would be best to refer to the RFCs here. RFC2821 says:
>    ...
>    local-part
>       The maximum total length of a user name or other local-part is 64
>       characters.

securityfocus.com has bounce-addresses exceeding this; e.g.

| focus-virus-euro-return-294-maillists+security.focus-virus=MYDOMAIN@...

('MYDOMAIN' is 6 characters long in reality)


>    domain
>       The maximum total length of a domain name or number is 255
>       characters.

This means, that 320 byte must be reserved for an address. This is
probably too much...




Enrico