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Code Issues Releases Wiki Activity

Added FAQ

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M66B 2022-01-08 12:32:05 +01:00
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FAQ.md
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@ -325,6 +325,7 @@ Fonts, sizes, colors, etc should be material design whenever possible.
* [(173) What is the difference between Play store / GitHub / F-Droid version?](#user-content-faq173) * [(173) What is the difference between Play store / GitHub / F-Droid version?](#user-content-faq173)
* [(174) Is auto discovery supported?](#user-content-faq174) * [(174) Is auto discovery supported?](#user-content-faq174)
* [(175) Why should battery optimizations be disabled?](#user-content-faq175) * [(175) Why should battery optimizations be disabled?](#user-content-faq175)
* [(176) When will a message be considered safely transported?](#user-content-faq176)
[I have another question.](#user-content-get-support) [I have another question.](#user-content-get-support)
@ -4461,6 +4462,27 @@ but unfortunately modifications by manufacturers often [require it anyway](https
<br /> <br />
<a name="faq176"></a>
**(176) When will a message be considered safely transported?**
If the receive option *Check transport layer security (TLS)* is enabled,
a green shield will be shown only if a messages was transported securely by all servers.
To show shields, the option *Show authentication status indicator* in the display settings should be enabled.
A message will be consired safely transported if every [Received](https://datatracker.ietf.org/doc/html/rfc2821#section-4.4) header:
* contains the word 'TLS'
* contains the phrase 'qmail <nnn> invoked by uid <nnn>'
* has a *by* with a local address (site local or localhost)
* has a *from* with a local address
* has a *via* with the value '[Frontend Transport](https://social.technet.microsoft.com/wiki/contents/articles/50370.exchange-2016-what-is-the-front-end-transport-service-on-the-mailbox-role.aspx)'
* has a *with* with the value 'local', '[MAPI](https://en.wikipedia.org/wiki/MAPI)', 'HTTP' or 'HTTPREST'
* has a *with* with the value '[xMTPSx](https://datatracker.ietf.org/doc/html/rfc3848)' ('xMTPAx' is considered insecure)
<br />
<h2><a name="get-support"></a>Get support</h2> <h2><a name="get-support"></a>Get support</h2>
&#x1F30E; [Google Translate](https://translate.google.com/translate?sl=en&u=https://github.com/M66B/FairEmail/blob/master/FAQ.md%23user-content-get-support) &#x1F30E; [Google Translate](https://translate.google.com/translate?sl=en&u=https://github.com/M66B/FairEmail/blob/master/FAQ.md%23user-content-get-support)

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app/src/main/java/eu/faircode/email/MessageHelper.java
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@ -2128,6 +2128,7 @@ public class MessageHelper {
return null; return null;
} }
// https://datatracker.ietf.org/doc/html/rfc3848
// https://www.iana.org/assignments/mail-parameters/mail-parameters.txt // https://www.iana.org/assignments/mail-parameters/mail-parameters.txt
String with = kv.get("with").toString(); String with = kv.get("with").toString();
int w = with.indexOf(' '); int w = with.indexOf(' ');