2020-08-08 15:49:35 SERVER -&gt; CLIENT: 220 iva4-bca95d3b11b1.qloud-c.yandex.net ESMTP (Want to use Yandex.Mail for your domain? Visit http://pdd.yandex.ru)<br>
2020-08-08 15:49:35 CLIENT -&gt; SERVER: EHLO swos.ru<br>
2020-08-08 15:49:35 SERVER -&gt; CLIENT: 250-iva4-bca95d3b11b1.qloud-c.yandex.net250-8BITMIME250-PIPELINING250-SIZE 42991616250-STARTTLS250-AUTH LOGIN PLAIN XOAUTH2250-DSN250 ENHANCEDSTATUSCODES<br>
2020-08-08 15:49:35 CLIENT -&gt; SERVER: STARTTLS<br>
2020-08-08 15:49:35 SERVER -&gt; CLIENT: 220 Go ahead<br>
2020-08-08 15:49:35 CLIENT -&gt; SERVER: EHLO swos.ru<br>
2020-08-08 15:49:35 SERVER -&gt; CLIENT: 250-iva4-bca95d3b11b1.qloud-c.yandex.net250-8BITMIME250-PIPELINING250-SIZE 42991616250-AUTH LOGIN PLAIN XOAUTH2250-DSN250 ENHANCEDSTATUSCODES<br>
2020-08-08 15:49:35 CLIENT -&gt; SERVER: AUTH LOGIN<br>
2020-08-08 15:49:35 SERVER -&gt; CLIENT: 334 VXNlcm5hbWU6<br>
2020-08-08 15:49:35 CLIENT -&gt; SERVER: &lt;credentials hidden&gt;<br>
2020-08-08 15:49:35 SERVER -&gt; CLIENT: 334 UGFzc3dvcmQ6<br>
2020-08-08 15:49:35 CLIENT -&gt; SERVER: &lt;credentials hidden&gt;<br>
2020-08-08 15:49:35 SERVER -&gt; CLIENT: 535 5.7.8 Error: authentication failed: Invalid user or password!<br>
2020-08-08 15:49:35 SMTP ERROR: Password command failed: 535 5.7.8 Error: authentication failed: Invalid user or password!<br>
SMTP Error: Could not authenticate.<br>
2020-08-08 15:49:35 CLIENT -&gt; SERVER: QUIT<br>
2020-08-08 15:49:35 SERVER -&gt; CLIENT: 221 2.0.0 Closing connection.<br>
SMTP Error: Could not authenticate.<br>
Не возможно отправить письмо. Ошибка: SMTP Error: Could not authenticate.