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Split/Fold the To/CC header fields to avoid reaching the 998 characters limit #26

Open jmrouet opened 5 years ago

jmrouet commented 5 years ago

If svnnotify is used to send emails to too many users it can create a non compliant To: header line. This can also happen easily if multiple -x arguments are used. Then some email adresses can be repeted several times in the To: header field.

I suggest to 1) split (aka fold) the To: header line with CRLF as described in RFC822. 2) remove duplicate email adresses in both $to or $cc fields.

Thanks for the excellent job Regards, Jean-Michel.