I just have changed Zextras 25.3.1 Server IP address following this guide. I am on Ubuntu 22.
This is the 2nd time I have changed the IP address, but this time I am in trouble. If I send mail from desktop client like Outlook, I get this error on Outlook -
Task 'omi@s___vi.net - Sending' reported error (0x800CCC78) : 'Cannot send the message. Verify the email address in your account properties. The server responded: 451 4.3.0 Temporary lookup error'
I also get an email in my admin inbox -
Transcript of session follows.
Out: 220 mailx.surovi.net ESMTP Postfix
In: EHLO o2zen
Out: 250-mailx.surovi.net
Out: 250-PIPELINING
Out: 250-SIZE 20480000
Out: 250-VRFY
Out: 250-ETRN
Out: 250-AUTH LOGIN PLAIN
Out: 250-AUTH=LOGIN PLAIN
Out: 250-ENHANCEDSTATUSCODES
Out: 250-8BITMIME
Out: 250-DSN
Out: 250 CHUNKING
In: AUTH LOGIN
Out: 334 VXNlcm5hbWU6
In: b21pQHN1cm92aS5uZXQ=
Out: 334 UGFzc3dvcmQ6
In: ODBTSEByaXF1bElzbGFt
Out: 235 2.7.0 Authentication successful
In: MAIL FROM: <omi@surovi.net>
Out: 451 4.3.0 Temporary lookup error
In: QUIT
Out: 221 2.0.0 Bye
For other details, see the local mail logfile
But when I send email from Carbonio webmail, it goes fine. But here is another problem, if I reply that email, the reply do not arrive to me. I get another error mail in my admin inbox -
Transcript of session follows.
Out: 220 mailx.surovi.net ESMTP Postfix
In: EHLO sonic310-15.consmr.mail.bf2.yahoo.com
Out: 250-mailx.surovi.net
Out: 250-PIPELINING
Out: 250-SIZE 20480000
Out: 250-VRFY
Out: 250-ETRN
Out: 250-STARTTLS
Out: 250-ENHANCEDSTATUSCODES
Out: 250-8BITMIME
Out: 250-DSN
Out: 250 CHUNKING
In: STARTTLS
Out: 220 2.0.0 Ready to start TLS
In: EHLO sonic310-15.consmr.mail.bf2.yahoo.com
Out: 250-mailx.surovi.net
Out: 250-PIPELINING
Out: 250-SIZE 20480000
Out: 250-VRFY
Out: 250-ETRN
Out: 250-AUTH LOGIN PLAIN
Out: 250-AUTH=LOGIN PLAIN
Out: 250-ENHANCEDSTATUSCODES
Out: 250-8BITMIME
Out: 250-DSN
Out: 250 CHUNKING
In: MAIL FROM:<omiazad@yahoo.com>
Out: 451 4.3.0 Temporary lookup error
In: QUIT
Out: 221 2.0.0 Bye
For other details, see the local mail logfile
It did not happen when I changed my IP address last time. Not sure why this is happening now. I am in a terrible situation, kindly help me. 🙏