Hi Raffaele, Had a quick look at the code - the code directly uses the JDK MimeUtility class to implement the folding. And doing something differently is hard to find out since there are many email clients out there - and actually following the RFC is quite hard
Thanks in advance, Siegfried Goeschl > On 06.02.2019, at 14:05, Raffaele Gambelli <r.gambe...@westpole.it> wrote: > > Hi all, > > this is probably a known issue, Outlook is not fully conform to RFC 2231 so > it's unable to parse long filename attachments, this happens when sender > applies RFC 822 folding rules, so for example a filename > "CANALI+GIOVANNI+SRL+-+NOTA+PROT.+0001461+DEL+04.02.2019.pdf.p7m" once sent > (via commons email) becomes: > > Content-Type: application/pkcs7-signature; > name*0=CANALI+GIOVANNI+SRL+-+NOTA+PROT.+0001461+DEL+04.02.2019.pdf.; > name*1=p7m > Content-Transfer-Encoding: base64 > Content-Disposition: attachment; > filename*0=CANALI+GIOVANNI+SRL+-+NOTA+PROT.+0001461+DEL+04.02.2019.pdf.; > filename*1=p7m > > This problem has been present in Outlook for many years, I could suppose > Microsoft doesn't think to fix it, maybe they think it's not an issue, I > really don't know. > > What I would like to know is if with "commons email" exists the possibility > to avoid folding of header parameter names, besides that I would like to know > your opinion if what I've just said is right or if it could bring problems on > some other different clients. > > Thanks, best regards > > Some useful references: > > https://bugzilla.mozilla.org/show_bug.cgi?id=309566 > > https://tools.ietf.org/html/rfc2231 > [https://westpole.it/firma/logo.png] > > Raffaele Gambelli > WebRainbow(r) Software Developer > > P +39 051 8550 576 > M # > E r.gambe...@westpole.it > W https://westpole.webex.com/meet/R.Gambelli > A Via Ettore Cristoni, 84 - 40030 Casalecchio di Reno > > [https://westpole.it/firma/sito.png]<https://westpole.it> > [https://westpole.it/firma/twitter.png] <https://twitter.com/WESTPOLE_SPA> > [https://westpole.it/firma/facebook.png] > <https://www.facebook.com/WESTPOLESPA/> > [https://westpole.it/firma/linkedin.png] > <https://www.linkedin.com/company/westpole/> > > > This email for the D.lgs.196/2003 (Privacy Code) and European Regulation > 679/2016/UE (GDPR) may contain confidential and/or privileged information for > the exclusive use of the intended recipient. Any review or distribution by > others is strictly prohibited. If you are not the intended recipient, you > must not use, copy, disclose or take any action based on this message or any > information here. If you have received this email in error, please contact us > (email:priv...@westpole.it) by reply email and delete all copies. Legal > privilege is not waived because you have read this email. Thank you for your > cooperation. > > > [https://westpole.it/firma/ambiente.png] Please consider the environment > before printing this email > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@commons.apache.org > For additional commands, e-mail: user-h...@commons.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@commons.apache.org For additional commands, e-mail: user-h...@commons.apache.org
