E-Mail issues using SMTP on WP

Support apps
1

My YunoHost server

Hardware: Rack
YunoHost version: Latest
Are you in a special context or did you perform some particular tweaking on your YunoHost instance ? : no

Description of my issue

I cannot send any mail from my wp installation using smtp Versions:
WordPress: 5.7.1
WordPress MS: No
PHP: 7.3.27-9+0~20210227.82+debian10~1.gbpa4a3d6
WP Mail SMTP: 2.3.1

Params:
Mailer: smtp
Constants: No
ErrorInfo: SMTP Error: Could not authenticate.
Host: easycomp.cloud
Port: 587
SMTPSecure:

tls

SMTPAutoTLS:

bool(true)

SMTPAuth:

bool(true)

Server:
OpenSSL: OpenSSL 1.1.1j 16 Feb 2021

Debug:
Mailer: Andere SMTP-service SMTP Error: Could not authenticate.

SMTP Debug:

2021-05-05 17:06:07 Connection: opening to easycomp.cloud:587, timeout=300, options=array()
2021-05-05 17:06:07 Connection: opened
2021-05-05 17:06:07 SERVER -> CLIENT: 220 easycomp.cloud Service ready
2021-05-05 17:06:07 CLIENT -> SERVER: EHLO easycompzeeland.nl
2021-05-05 17:06:07 SERVER -> CLIENT: 250-easycomp.cloud250-PIPELINING250-SIZE 31457280250-ETRN250-STARTTLS250-ENHANCEDSTATUSCODES250-8BITMIME250-DSN250 CHUNKING
2021-05-05 17:06:07 CLIENT -> SERVER: STARTTLS
2021-05-05 17:06:07 SERVER -> CLIENT: 220 2.0.0 Ready to start TLS
2021-05-05 17:06:07 CLIENT -> SERVER: EHLO easycompzeeland.nl
2021-05-05 17:06:07 SERVER -> CLIENT: 250-easycomp.cloud250-PIPELINING250-SIZE 31457280250-ETRN250-AUTH PLAIN LOGIN250-AUTH=PLAIN LOGIN250-ENHANCEDSTATUSCODES250-8BITMIME250-DSN250 CHUNKING
2021-05-05 17:06:07 CLIENT -> SERVER: AUTH LOGIN
2021-05-05 17:06:07 SERVER -> CLIENT: 334 VXNlcm5hbWU6
2021-05-05 17:06:07 CLIENT -> SERVER: [credentials hidden]
2021-05-05 17:06:07 SERVER -> CLIENT: 334 UGFzc3dvcmQ6
2021-05-05 17:06:07 CLIENT -> SERVER: [credentials hidden]
2021-05-05 17:06:09 SERVER -> CLIENT: 535 5.7.8 Error: authentication failed: UGFzc3dvcmQ6
2021-05-05 17:06:09 SMTP ERROR: Password command failed: 535 5.7.8 Error: authentication failed: UGFzc3dvcmQ6
SMTP Error: Could not authenticate.
2021-05-05 17:06:09 CLIENT -> SERVER: QUIT
2021-05-05 17:06:09 SERVER -> CLIENT: 221 2.0.0 Bye
2021-05-05 17:06:09 Connection: closed
SMTP Error: Could not authenticate.
3

I am noob here, so don’t mind my ignorance. but since i did set up wp mail smtp and it worked well. I used sendgrid and all that needed was couple of keys and authentications to be pasted. I have done this using gmail as well. I am not sure that there will ever be a case where one has to go to this level to fix it. also not sure if this is actually a yunohost issue.
From your log it looks like a case of authentication failure (i know its obvious) so what makes you think its the platform? did you try the plugin support forum as well? did they say anything?

4

Yes meh it’s working fine now…

5

any quick RCA?

6

unfortunately

7

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