Subject line length ?

Giganews Newsgroups
Subject: Subject line length ?
Posted by:  Ian Munro (i…@gtl.biz)
Date: Fri, 7 Dec 2007

Not specifically an Indy question but I am writing an email client using the
Indy SMTP control so this is a loosely related.

I've downloaded and studied the RFC821 document and noted that the maximum
number of characters on a single line is 1000. Is this also true for the
Subject line of an email ? I noticed that MS exchange truncates the subject
down to 255 character when I mail myself.

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