Issue Thunderbird client problem with SMTP with Postfix after Plesk migration

[Erwan]

Plesk Onyx / Centos 7 - Postfix / Courier-IMAP
================

Hello,

We have made this morning a migration between deux plesk servers including emails.
Receiving emails are ok but customers (under Thunderbird) can't send emails.

We have first: 530 5.7.0 Must issue a STARTTLS command first
So, we have change "smtpd_enforce_tls" (to no) and "smtpd_tls_security_level" (from encrypt to may)
==> non change

After, we have added in "main.cf:
smtpd_use_tls = yes
smtpd_tls_auth_only = no
So, no more message 5.7.0.

But now, there is this message:
The outgoing SMTP server does not allow unencrypted passwords

I dont know why...
We don't have problem with Outlook.

Do you have an idea?
Thanks a lot.

 

[Erwan]

An idea?

If i change option "Authentification method" to "Encrypted password", it works.
But there is a lot of email account, I would like not to have to make the modification on each account...

 

[Linulex]

have you looked at this?

SMTP authorization does not work with Postfix MTA: "SASL login authentication failed"

check also the smtpd_tls_security_level = may setting in /etc/postfix/main.cf as discribed in

Postfix TLS Support

I have

smtpd_tls_security_level = may
smtpd_use_tls = yes
smtp_tls_security_level = may
smtp_use_tls = no

and can send with normal password and starttls

/etc/postfix/master.cf also might need changing

submission inet n - n - - smtpd -o smtpd_enforce_tls=no -o smtpd_tls_security_level=may -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination


regards
Jan

 

[Erwan]

Thanks for your help Linulex.

smtpd_tls_security_level = may
smtpd_use_tls = yes
smtp_tls_security_level = may
smtp_use_tls = no

I've the same thing.

SMTP authorization does not work with Postfix MTA: "SASL login authentication failed"

I've the same thing.

It's crazy, all seems to be ok but it doesn't work with SSL...
All is ok for example with: SSL Certificate Checker - Diagnostic Tool | DigiCert.com

 

[Erwan]

So, i've come back to the level of migration ...
To many problems for the customer...

My problem is now: i have somme emails in accounts:

/var/qmail/mailnames/domain.com/contact/new/*

That i want to transfer to the first server.

Is-it a command line for example, return the message to an SMTP server?
Or a copy method?