Resolved VPS - Mail Server 'Insufficient Space'

[combatdad]

Server operating system version

Linux

Plesk version and microupdate number

Plesk Obsidian Web Admin Edition 18.0.49 Update #2

Hi All,

I have a VPS, with the provider Contabo. Their support is pretty useless, so im reaching out to the community.

Every few days, my E-mail stops working across the entire server with the same error (example below) (the email addresses change).

Sometimes i can get acess back briefly by restrating the server, or disabling fail2ban / psa firewall (no idea why that is a fix).

Also, i have upgraded the VPS from 40GB of space, to 800GB, just to be certain that space wasn't the real issue.

I'm stumped, and it affects my business daily, i have no one local to reach out to - so im hoping someone can point me towards a solution.

Thanks


Transcript of session follows.

Out: 220 vmi693272.contaboserver.net ESMTP Postfix (Ubuntu)
In: EHLO mail188.atl221.rsgsv.net
Out: 250-vmi693272.contaboserver.net
Out: 250-PIPELINING
Out: 250-SIZE 102400000
Out: 250-ETRN
Out: 250-STARTTLS
Out: 250-AUTH DIGEST-MD5 CRAM-MD5 PLAIN LOGIN
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 mail188.atl221.rsgsv.net
Out: 250-vmi693272.contaboserver.net
Out: 250-PIPELINING
Out: 250-SIZE 102400000
Out: 250-ETRN
Out: 250-AUTH DIGEST-MD5 CRAM-MD5 PLAIN LOGIN
Out: 250-ENHANCEDSTATUSCODES
Out: 250-8BITMIME
Out: 250-DSN
Out: 250 CHUNKING
In: MAIL
FROM:<bounce-mc.us1_155314338.9770853-701ce4fdbc@[redacted].net>
SIZE=94075 ENVID=mc.us1_155314338.9770853.643e53d9a1b00.full_000002
Out: 452 4.3.1 Insufficient system storage
In: RCPT TO:<info@[redacted].co.uk> ORCPT=rfc822;info@[redacted].co.uk
Out: 503 5.5.1 Error: need MAIL command
In: DATA
Out: 503 5.5.1 Error: need RCPT command
In: RSET
Out: 250 2.0.0 Ok
In: QUIT
Out: 221 2.0.0 Bye


For other details, see the local mail logfile

 

[Peter Debik]

What does /var/log/maillog show for received mails?

 

[combatdad]

What does /var/log/maillog show for received mails?

Thats a screenshot from Plesk, i have SSH access if there is a better way to view the log? I'm new to linux systems.

 

[combatdad]

Just had this from Contabo - so i guess they are saying, it was my fault. I'll have to learn to do these things myself...

Dear Lee,

From what we could see no changes were performed after the server was upgraded. As we informed you in both our last email and the upgrade completion notice the partition layout has to be adjusted once the server was upgraded, as this was not done from your end the disk space was still the same.

Additionally we could see that your file system had issues which were also not addressed.

After correcting both of these your server now has sufficient space available.

 

[Peter Debik]

So it was a disk space issue that has been resolved on your server. I set this thread to "resolved".