Updated FAQ

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M66B 2023-12-09 17:49:25 +01:00
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FAQ.md
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@ -1555,6 +1555,10 @@ Similarly, the email server might block connections via a VPN because it was mis
Some VPN providers have "cleaner" IP addresses than others, so switching to another VPN provider might be useful.
Note that [Google Fi](https://fi.google.com/) is using a VPN too.
The error '*You must use stronger authentication such as AUTH or APOP to connect to this server*'
can be fixed by enabling debug mode (last option in the miscellaneous settings tab page),
and in the debug panel that appears enabling the APOP option.
**Send errors**
SMTP servers can reject messages for [a variety of reasons](https://en.wikipedia.org/wiki/List_of_SMTP_server_return_codes).

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@ -929,6 +929,7 @@ Visit https://aka.ms/smtp_auth_disabled for more information.</code></pre>
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<p>Many public Wi-Fi networks block outgoing email to prevent spam. Sometimes you can workaround this by using another SMTP port. See the documentation of the provider for the usable port numbers.</p>
<p>If you are using a <a href="https://en.wikipedia.org/wiki/Virtual_private_network">VPN</a>, the VPN provider might block the connection because it is too aggressively trying to prevent spam. Similarly, the email server might block connections via a VPN because it was misused for sending spam. Some VPN providers have “cleaner” IP addresses than others, so switching to another VPN provider might be useful. Note that <a href="https://fi.google.com/">Google Fi</a> is using a VPN too.</p>
<p>The error <em>You must use stronger authentication such as AUTH or APOP to connect to this server</em> can be fixed by enabling debug mode (last option in the miscellaneous settings tab page), and in the debug panel that appears enabling the APOP option.</p>
<p><strong>Send errors</strong></p>
<p>SMTP servers can reject messages for <a href="https://en.wikipedia.org/wiki/List_of_SMTP_server_return_codes">a variety of reasons</a>. Too large messages and triggering the spam filter of an email server are the most common reasons.</p>
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