1. M

    New Server Setup - Setting up a mail relay using cPanel Mail Only Profile

    Thank in advance to all replies. Have a few questions and looking for guidance and clarification on a few things regarding email services to my clients. Here's the details. 1. I have server #1 that currently handles all websites, mail and as a database server (as well as database server) 2. I...
  2. P

    Exim system wide filter file - mail command not working

    I have written an exim system-wide custom filter file, which is placed in /usr/local/cpanel/etc/exim/sysfilter/options/. The file freezes some emails based upon a condition, so that they can be reviewed by an administrator. The file is essentially: if condition then headers add...
  3. SimpleTechGuy

    In Progress CPANEL-42825 - Ratelimit incoming mail to non-existent accounts

    Hi, so I recently migrated to a new server and since the migration been getting thousands of emails to non existent accounts every day (coincidence? maybe. I don't know) I did keep the same ip, just a different box with the same host. I think it is a dictionary attack, but not sure. Each...
  4. D

    Empty mailbox after migration with transfer tool

    Hello, I just moved my CPanel from a server to another everything went smooth exept for the mailboxes are empty !!! Any help please
  5. E

    Sane values for smapassassin outgoing mail

    I want to make sure my server does not spam others and i want to get the spamassassin to scan outgoing mail. I would like to know what values do you use for the below or any other values you may think are relevant. The settings below are in exim configuration manager. Also if you have good rbls...
  6. N

    SSL for mail sub-domain

    We have a FastSSL certificate already installed for the main domain and www, and now I want to add SSL to the mail sub-domain (we are NOT using LetsEncrypt or AutoSSL). I installed a new FastSSL certificate on the server and then added it via 'Manage Installed SSL Websites' but it overwrote the...
  7. P

    How to reduce number of failed mail retries and avoid triggering the 'exceeded the max defers and failures per hour'?

    Due to (for me) unknown reason mail server retries 10-20 times to resend the mail message and triggers the outgoing traffic block temporarely for each destination mail address that rejects the e-mail message. example: 12 errors in Mar 14, 2023, 3:49:03 AM 552 5.2.2 <*****@******.com> Quota...
  8. I

    Multiple parent nodes to one or two child nodes (mail)

    Hello, Management has asked me to take a look at the possibility to separate the mail services. They want to create one or two larger mail only servers and redistribute quota for site hosting. Is it possible to create a setup like below with parent child node functionality at this time Parent...
  9. P

    How mail suspension works

    Does anyone know how the per-inbox mail suspension works for incoming mail? I've noticed for outgoing the email address will appear in: `/etc/outgoing_mail_suspended_users` And setting it to "hold" puts the email in: `/etc/outgoing_mail_hold_users` However haven't found how the incoming...
  10. M

    SSL certificate for mail server only (A record is pointed elsewhere)

    We have a cPanel account where the A record and WWW are pointed elsewhere. Currently, there's a LetsEncrypt certificate that is expiring in 7 days, that covers the domain and all subdomains. AutoSSL will not renew the certificate, because the A and www fail DCV. Is there a way we can still use...
  11. F

    Site elswhere, mail in Cpanel

    Hi! Is it possible to have the website (with and without www) on an external site, and have the mail (and DNS zone) on my WHM/CPanel server? If so, how should I configure the DNS zone? Any link to some example? Thanks!
  12. E

    Received mail ⚠ Successful root Login from an Unknown Network -don´t see in logs

    Hello, I have cPanel&WHM version 106.0.15. I have received this mail: I do not see in any logs, messages, secure that from IP login was successuful. Where should I be able to see it? Best regards, Elizabeta
  13. M

    Cloudflare configuration for Cpanel DNS mail records

    Hello, I recently changed the DNS records of a domain hosted in a cPanel server and was wondering if unprotecting the record is OK to avoid issues with email clients like Outlook is OK.
  14. D

    Filter incoming mail by Specific Header Value

    Hello, We have a spam issue in which emails, sent originally to another email address, are then being forwarded in bulk to one of our support emails. Since forwarding an email changes some of the headers, standard email blacklisting options do not work. The emails are not inherently "spam" in a...
  15. M

    External mail server with cPanel

    Hi to all, I have a hosting for mywebsite and I activated a external mail server for email. The email provider says to manage zone editor in cPanel and deleting this record miodominio.tld. IN MX 0 mail.dominio.tld. (o diverso) mail.dominio.tld. IN A XX.YY.ZZ.PP...
  16. F

    send all accounts list by mail one time per week instead of downloading it

    Dears, We need a solution to send the accounts list by mail one time per week by instead off downloading the list manually The information needed is the current storage used by client, package, username, main domain ... Any help from your side will be really appreciated. Best regards
  17. Arvy

    Use Sendgrid only for Hotmail/Outlook (outgoing mail)

    Hi! Can you tell me how to solve this problem? My dedicated server can send email to all providers except Microsoft (, and others)... "Unfortunately, messages from [x.x.x.x] were not sent. Please contact your ISP as part of your network is on our blacklist (S3140)." But...
  18. T

    Prevent “nobody” from sending mail and Wordpress messages

    I have seen Prevent “nobody” from sending mail as ON/OFF. It seems messages from WP installation are blocked due to setting ON. Can be managed WP setting and still use Prevent “nobody” from sending mail as ON? Fix "Mail sent by user nobody discarded due to sender restrictions" Found under...
  19. M

    SOLVED Microsoft Teams Invitatins got filtered even with local accounts

    Hi, I have a problem with Microsoft Teams invitations Every time someone send me and email invitation to a meeting from Microsoft Teams, the email never reach the inbox and I found out it's the link to join the meeting, because I ask our client to send me the email to a public email (gmail) I...
  20. M

    Cloudmark blacklisting my mail server

    Cloudmak is killing my business, for the last 5 days Cloudmark has blocked my customers emails, I have requested remediation each day but no response nothing, what can I do? Remediation Already Requested A request for remediation has already been made for...