Maybe the remote SMTP is failing to properly wrap from 75 characters down to 72?
Maybe line wrapping is interfering with base64 decode (if base64 was applied)? It would be helpful to know the remote SMTP software+version and a copy of your email headers, showing what kind of encoding & content-type was used. On Thu, 2 Sep 2021 12:58:10 -0500 Ken Johnson via mailop <[email protected]> wrote: > I recently needed to send a software key to a remote colleague who needed to > reinstall some commercial software after re-installing Windows. However, > after the key failed to authorize, an investigation determined that the key > was corrupt in the email he received from me. The first line of the key was > truncated and repeated. This message only passes through the company email > server, so the problem is limited in scope. (I have transmitted the key in > another way in the meantime.) > > The key is 6 lines of plain text, visible non-blank ascii characters only. > The first line of the key is: > > PXP70-KK4tQ6fJQYAI32PugLL4GK9pJOZT4ocM9J0ICAoharwSAYhplSMpFm+n+b2xJ65hNI043 > > which becomes: > > PXP70-KK4tQ6fJQYAI32PugLL4GK9pJOZT4ocM9J0ICAoharwSAYhplSMpFm+n+b2xJ65hNI > PXP70-KK4tQ6fJQYAI32PugLL4GK9pJOZT4ocM9J0ICAoharwSAYhplSMpFm+n+043 > > by the time it is delivered to my remote colleague. This is repeatable, and > this symptom also occurs if I send this key to another colleague working in > the same remote location. It does not occur if I send this key to myself. > We are using different email clients. > > If the cause of this problem is obvious but overlooked by me, please let me > know. Thanks. > > Ken > > > > > > > > > > _______________________________________________ > mailop mailing list > [email protected] > https://list.mailop.org/listinfo/mailop _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
