This document is an FAQ list with the most common email-related problems, including VO webmail issues and email client (e.g. Ms Outlook, Mozilla Thunderbird, iPhone and Android Mail, etc) problems.
Click on one of the topic names to view the full answers and descriptions of the topic.

• Lookafter Mail Server Configurations
• VO Mail Server Configuration (Secure SMTP/IMAP/POP3)
• Secure IMAP/POP3 and SMTP FAQ
• IMAP vs POP
• How is the incoming SMTP traffic being handled?
• SMTP relay quota for outgoing emails
• Global Email Rules Configuration
• Mailbox getting full notification
• What is Mailbox Rules?
• How to use Mailbox Rules to organize emails
• What is Email Spoofing?
• How to avoid email being blocked or blacklisted
• Conditional email forwarding and redirect
• What is Email Header?
• How to catch all emails with postmaster
• Outgoing email practices dos and don'ts
• Email Delivery to Free Email Services
• Migrating Emails to Lookafter Using IMAP
• Email Lookup Tool

• Add contact in webmail's Address Book
• Import contacts in webmail's Address Book
• Export contacts from webmail's Address Book
• How to show other field columns in webmail's Address Book?
• Blacklist an email address on webmail
• How to create a custom/personal folder on webmail
• How to delete a custom/personal folder on webmail
• How to move emails to personal folder or other mailbox?
• How to create signature for webmail?
• How to reply as different identity or email address on webmail?
• How to get email headers from webmail?
• How to redirect email?
• How to search for an email?
• How to setup auto reply in webmail?
• How to remain read emails in the Inbox folder?
• The special tag [AX_xxxxxxxx] in mail subject
• Use different HTML Editor to compose email
• What is the maximum attachment size limit on webmail?
• What is the maximum number of email I can set to view per page?
• How to allow html and scripting
• How to mark email as unread?
• How to configure emails to be moved to Read folder after reading
• How do I delete more than 1 message at a time?
• Why is my mailbox size still the same after deleting emails?
• How to send mail using mail group?
• I have accidentally added an email address to my blacklist. What should I do?
• I cannot receive an email. What should I do?

• Microsoft Outlook (IMAP)
• Microsoft Outlook (IMAP) - Manual Setup
• Microsoft Outlook (POP3)
• Microsoft Outlook (POP3) - Manual Setup
• Mozilla Thunderbird (IMAP)
• Mozilla Thunderbird (POP3)
• Apple Mac Mail (IMAP)
• Apple Mac Mail (POP3)
• Windows 10 Mail App
• Email Setup in New Outlook

• Android Mail App (IMAP)
• Microsoft Outlook for Android (IMAP)
• Gmail App for Android (IMAP)

• iPhone Mail (IMAP)
• Microsoft Outlook for iPhone (IMAP)

• Getting email from junk folder on Ms Outlook (POP3)
• Getting email from junk folder on Mozilla Thunderbird (POP3)
• Ms Outlook (POP3): Configuring How Much Days Emails are Kept on Server
• Mozilla Thunderbird (POP3): Configuring How Much Days Emails are Kept on Server
• Mac Mail (POP3): Configuring How Much Days Emails are Kept on Server
• How to change password on email client?
• How to change password of email account on Ms Outlook
• How to change password of email account on Mozilla Thunderbird
• Choose specific IMAP folders to appear in email client
• Choose which IMAP folder from webmail to appear on Ms Outlook (2019, 2016, 2013) for Windows
• Choose which IMAP folder from webmail to appear on Mozilla Thunderbird
• How to create signature on Ms Outlook
• How to create signature on Mozilla Thunderbird
• How to archive emails with Microsoft Outlook
• How to archive emails with Mozilla Thunderbird
• How to Import MBOX Files Into Thunderbird
• Import webmail contacts into Ms Outlook
• Import contacts into Outlook Express
• Export contact from Outlook Express
• Reducing Outlook PST File Size
• Exporting Emails in Outlook
• How to change my account settings on Ms Outlook
• How Can I Free Up Email Space When Using IMAP in Outlook?

• Checking on Ms Outlook IMAP settings
• Checking on Ms Outlook POP3 settings
• Checking on Thunderbird IMAP settings
• Checking on Thunderbird POP3 settings
• Verifying email account setup on iPhone
• Why does my email client keep showing certificate warning?
• Why is my Outlook sending duplicated copies of email to recipients?
• Why is my Outlook/Thunderbird downloading duplicated emails?
• How to repair Outlook Data File with Scanpst?
• Search is not working on Ms Outlook, what should I do?
• How to get email headers from email clients?
• Getting Email Headers From Microsoft Outlook
• How to recover emails that disappear from Outlook Express inbox?
• Blackberry cannot send email to internal users
• Why are my old mails being downloaded to Ms Outlook again?
• How to 'switch' POP3 to IMAP mail account in Microsoft Outlook
• How to clear locally stored SSL certificate
• Why is my mail client showing SSL expiration warning?
• How to install the new root certificate for Windows 7
• How to install the new root certificate for Mac OS
• How to install the new root certificate for iPhone iOS
• What to do if Ms Outlook keeps asking for my password?
• Troubleshooting Outlook cannot connect to email server error
• Troubleshooting 0x8004010F - Outlook data file cannot be accessed error on Ms Outlook
• Troubleshooting 0x800CCC0F error on Outlook (POP3)
• Troubleshooting 0x800CCC0D error on Outlook (Cannot find the email server)
• Outlook cannot send and receive email with SSL/TLS configuration after Windows Update (KB5018410)
• Why an Outlook PST file can become corrupted
• How to Fix: Outlook Data File has reached the maximum size
• Can't receive an email on Outlook: Troubleshooting Steps
• Troubleshooting Outlook Error 550: Relay not permitted
• Why did Outlook skip downloading some of my emails? (POP3)
• FAQs: Can I recall a sent email?

• How to get email headers from other webmail providers
• SMTP Error Codes
• Error when sending email: Could not find server
• How to fix if I can't access to webmail
• Finding missing emails
• How to identify whether an email is a spam mail?
• Why am I receiving email quarantined reminder?
• MailNow configuration issues
• Why email received is corrupted, with partial content or duplicated?
• Why Gmail user can't see my forwarded email?
• Why users can't receive my email, claiming that my IP is blacklisted?
• I received blackmail emails - what should I do?
• Why is recipient's email being used as the from address for forwarded and redirected mails?
• Why did my image formatting turn into a mess after being forwarded?
• Email Server or IP Unblock Request Template
• How do I forward or redirect my emails to Gmail?
• Why can’t I redirect email to free email services?
• My emails have been rejected by Gmail with 550-5.7.26 error

• Junk Mail FAQ
• Global Junk Filtering Setup (for administrator)
• Junk Filtering Setup (for users)
• What to do if receiving too many Junk mails?
• How to avoid emails going into recipient’s spam or junk
• How to unjunk an email?
• Can I turn off junk filtering option on webmail?
• Junk filter hasn't been able to identify some of the junk mail that I've received
• How to delete junk mail automatically
• Why is important email going into Junk mailbox?
• Getting email from junk folder on Ms Outlook (POP3)
• How do spammers get my email address?
• How to detect phishing attempts from fake WeTransfer email?
• I received email about upgrade required to avoid service interruption, should I respond to it?
• I received a password expired email notification, what should I do?
• Can I allow spoof for my domain's email?
• Disabling Spoof Mails
• How to prevent email from being spoofed?