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Old 29 Apr 2007, 07:21 PM  
robert@fm
The "e" in e-mail
 
Join Date: Feb 2002
Location: London, UK
Posts: 4,681
IIRC the e-mail RFC (2822) sets two limits: lines in an email should not be longer than 78 characters (to account for differences in wrapping), but in any event must not be longer than 998 characters.

I remember having trouble with the Bigfoot service on this account (in the days before they lost the plot altogether); they used to have a "Spamhater" autoresponse, but every paragraph was crammed onto one ultra-long line, and some lines exceeded the 998-character limit, causing the ends of those paragraphs to be lost on RFC2822-compliant clients such as Pegasus Mail.  I spent a lot of time and effort trying to persuade them to fix the problem, but couldn't get through to them that there was a problem, and that it was on their side, not mine.

(Note that contrary to common misconception, RFCs are the rules which define how the Internet works, and as such are not optional; although the initialism stands for "Request For Comments", this is a misnomer.)
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