From: Bill Landry (billinetmsg.com)
Date: Thu Sep 20 2007 - 03:14:26 CDT

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Bill Landry wrote the following on 9/19/2007 12:03 PM -0800:
> Mark Martinec wrote:
> [snip]
>
>> Convert to 7bit BEFORE signing your mail.
>>
>> If using a content filter like amavisd, you can force Postfix
>> to downgrade to 7bit QP if you let amavis NOT to announce its
>> 8-bit capability: smtpd_discard_ehlo_keywords = ('8BITMIME');
>> and use a signing milter AFTER content filtering. See:
>> http://www.ijs.si/software/amavisd/amavisd-new-docs.html#dkim
>>
> master.cf:
>
> # Amavisd-New Begin
> amavisd unix - - n - 5 smtp
> -o smtp_data_done_timeout=1500
> -o smtp_send_xforward_command=yes
> -o disable_dns_lookups=yes
> -o max_use=25
> -o smtp_bind_address=127.0.0.1
> -o strict_rfc821_envelopes=yes
> -o smtp_line_length_limit=0
> -o notify_classes=protocol,resource,software
> -o disable_mime_output_conversion=yes

After adding "smtpd_discard_ehlo_keywords = ('8BITMIME');" to
amavisd-new, I realized that I needed to change the last line above to
"disable_mime_output_conversion=no" and that seems to have resolved the
signing issue I was having with 8bit mail sent from SquirrelMail.
However, in doing this, is there anything else I should be concerned
about possibly breaking?

Thanks,

Bill

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