Knowledgebase

 503 valid RCPT command must precede DATA Error - Outlook

The “503 valid RCPT command must precede DATA” error has no single solution and can really cause...

 Add a profile picture for Gmail recipients

You can show your profile picture or your company logo to email recipients who use Gmail by...

 Add an email address or domain to the safe list or white list of Hotmail, Gmail, Yahoo and more

Whitelist sender email addresses to prevent messages from ending up in your spam folder...

 Automatically empty the Trash folder (recycle bin)

To automatically delete messages stored in the .Trash directory (messages that you marked for...

 Can I manage my email accounts myself? (Linux)

You can manage your email server through the Control Panel of your account, entering the "Manage...

 Can I send advertising by email?

Using our mail system, you can freely send your commercial notices to your clients who have...

 Can I use secure SSL connections for my email?

Yes, to do this you must change the server ports to the following: SSL incoming mail port...

 Configuring SPF, DKIM and DMARC records in cPanel to improve email reception

With the appearance of email, several years ago, a revolution was generated in terms of the...

 Default or default address of an email

Frequently, emails sent to an email account that has not been created or does not exist on your...

 Email Sending Blocked - Max defers and failures per hour

Error or bounce message similar to the following: [email protected] Domain xxxx.com has...

 Ensure that email from an IP is not blocked by Hotmail

An important first step to ensure that email sent from your Domain/IP is not blocked is to check...

 Error 550 Access denied Invalid HELO name when sending email

When you send an email, the server displays the error: Server: 'mail.domainname.com', Protocol:...

 Exim Syntax Error Crashes – What Causes Them and How to Fix Them?

For many system administrators and also for many users, IP blocks due to Exim Syntax Error are...

 How can I change the Password of my email accounts?

You can change the password in any of your email accounts whenever you consider it necessary. It...

 How can I read my emails?

You can access your emails through Webmail, through: https://webmail.sudominio.com (replacing...

 How do I configure the email accounts for my Windows plan in Outlook?

To configure your email account you must specify the following information: Incoming mail...

 How to add a domain or mailbox to the cPanel whitelist

The first thing we must do in this case will be to enter our control panel (cPanel) as described...

 How to carry out maintenance on webmail?

You must perform the requested maintenance only once on the account that requires it. After this...

 How to change the time zone in webmail systems?

In the following tutorial we are going to modify the time zone for sending E-mail messages from...

 How to configure my email account in Gmail?

Below you will find a detailed guide to configure your «@yourdomain.com» email in the Gmail...

 How to create an email account?

To create email accounts you must enter the Hosting Control Panel of your domain, with your...

 How to redirect emails to another account?

Redirecting emails from one account to another is very easy. We have the option of redirecting...

 How to solve Outlook errors 0800xccc8d and 0800xccc8b?

Outlook errors 0800xccc8d and 0800xccc8b can be caused by two reasons: 1st- the names of the...

 How to solve error 0x800CCC0E in the Outlook email application?

The 0x800CCC0F error is due to the fact that the computer cannot connect to the server of its web...

 How to solve error 0x800CCC0F in the Outlook application?

Error 0x800CCC0F is due to the computer being unable to connect to the server. In order to solve...

 How to use FTP to send very large attachments, without size limit and without errors

Sending very large attached files by email* increases the chances of having a communication error...

 I need to send Mail to a distribution list. How do I do it?

Sending mail to distribution lists is NOT prohibited, but it is "LEGISLATED". In order for you...

 Improve the reception and sending of your emails to Hotmail and Yahoo accounts

DomainKeys and SPF - Prevent phishing. This document contains information on how to enable...

 Iphone: Email, Server and Port Settings

To configure the email for our domain on our iPhone terminal with the native Mail program, we...

 Learn everything about SPAM

In some cases, emails do not reach their destination because they are blocked, or others arrive...

 Managing the space consumption of an email account with Email Disk Usage

Email Disk Usage is a cPanel tool that allows us to analyze and act on the space usage of our...

 Outlook: Error 0x800C0133

Error in account 'www.yourdomain.com' Server 'mail.yourdomain.com' Protocol: POP3. Port 110....

 Solution to Outlook error: Your server does not support any of the authentication methods supported by this client

If you have a VPS server, with cPanel installed, and when using Outlook as an email client you...

 TLS 1.2 on Windows versions 7, 8, and 8.1

As always, we recommend updating your operating system to Windows 10, and to Microsoft Office...

 Using Mailman

MailMan Mailing List Mailman is the most popular mailing list program and is an ideal instrument...

 Using PHPLIST

You can install Phplist on your own or use the fantastic deluxe to do it: To install Phplist on...

 Using the PHP mail() function and other changes for shared hosting plans

Changes in the email sending configuration for portals, virtual stores, phplist and other scripts...

 What does it mean to have the IP listed in UCEPROTECT?

If you are monitoring the reputation of your server's IP address, it is possible that at any...

 What does the error mean: No Such User Here

This is an error related to email. If you write to an address that does not exist, you will...

 What is Greylist and how to activate or deactivate it

The Gray List or Greylisting is a very effective AntiSpam technique that consists of temporarily...

 What is IMAP email and how to use it?

IMAP is the abbreviation for "Internet Message Access Protocol." IMAP offers you the possibility...

 What it means: 550 This message was classified as SPAM and may not be delivered

If when sending an email you are receiving this response, it means that the message could not be...

 Why are messages marked as spam?

From the following link you can read about the reason why some email servers (Ex: gmail.com) mark...

 Why can't I send emails with Outlook or Outlook Express?

This may be due to some difficulty with the PC's firewall or antivirus. In case you cannot send...