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Re: [Emailcore] Ticket #14: G.7.8. Review different size limits

John Levine <johnl@taugh.com> Thu, 15 July 2021 22:19 UTC

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Date: Thu, 15 Jul 2021 18:19:21 -0400
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From: John Levine <johnl@taugh.com>
To: emailcore@ietf.org
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Archived-At: <https://mailarchive.ietf.org/arch/msg/emailcore/PnxOB1OjrUBIuCdKjfDZUTI4qDw>
Subject: Re: [Emailcore] Ticket #14: G.7.8. Review different size limits
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It appears that Viktor Dukhovni  <emailcore@ietf.org> said:
>> On 15 Jul 2021, at 4:16 pm, John Levine <johnl@taugh.com> wrote:
>> 
>> PS: I don't feel strongly about lifting the 1000 octet limit but I would like
>> to understand how widely it's enforced by mail receivers.
>
>On the receiving side Postfix does not enforce any physical
>line length limits on message body lines, ...

I realize qmail isn't very popular any more, although you will find
it hiding in the guts of a lot of packaged mail systems.  For incoming
messages, it's all dynamic and there's no length limits.  For outgoing
messages it politely wraps headers to 80 bytes but leaves bodies alone.

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