Secure Email Gateway

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• emailback app to receive instant feedback • how to EXTRACT EMAIL addresses from a list
• spamstop app for Microsoft 365 Exchange • how to protect ‘‘NO-MAIL’’ domains


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  • secure email gateway
    • digitally signed messages
    • dedicated IP address
    • dedicated hostname
    • security settings
      • authorized senders
      • protected by fail2ban
      • extra security settings
        • stop bad attachments
        • limit messages number
        • limit messages weight
        • convert large attachments
        • bcc of all sent emails
  • for email admins
    • email client settings
      • Outlook
      • Outlook 2007
      • Outlook 2013 2016
      • Mac OS/X Mail
      • Thunderbird
      • Zimbra Desktop
    • email server settings
      • Exchange Server
      • Office 365
      • Zimbra Collaboration
    • inxbox app
      • historical archive of emails
      • webmail interface
    • spamstop app
      • 1 - spf check
      • 2 - dkim check
      • 3 - dmarc alignment
      • 4 - double spam tags
      • client side sender filter
        • Microsoft 365 Outlook
        • Mozilla Thunderbird
      • server side sender filter
        • Microsoft 365 Exchange
      • security settings
        • authenticated senders only
        • remove dangerous attachments
  • for email broadcasters
    • newsletter software settings
      • GroupMail
      • Inxmail Professional
      • Joomla AcyMailing
      • MaxBulk Mailer
      • phplist
      • SendBlaster
      • Sendy
      • WordPress MailPoet 3
      • WordPress MailPoet 2
      • WordPress MailPress
      • WordPress Mailster
    • make it easy to unsubscribe
    • bouncehandler app
      • newsletter mailboxes
      • list-unsubscribe with block
    • copymail app
  • for system integrators
    • smtp without authentication
    • sending via api
      • overview
      • details
      • examples
      • examples with attachments
    • sending via http request
      • overview
      • details
      • web form example
      • sms to http example
    • emailback app
      • formmail script
      • flashmail script
    • smsreply app
  • we deliver your emails
    • about us
    • contacts
    • plans & pricing
      • RealSender prices
      • HighSender prices
    • terms of service
    • limits of our offer
    • privacy policy
    • glossary
  • you get email control
    • email authentication basics
      • <spf> declare your smtp servers
      • <spf> check online
      • <dkim> seal the email content
      • <dkim> check online
    • email authentication advanced
      • <spf> alignment for dmarc
      • <dkim> alignment for dmarc
      • <dmarc> detects fake emails
      • <dmarc> rua reports online
    • email delivery analysis
      • statistics
      • logs & delivery
      • email messages check
    • system status page
  • (free) postmaster tools
    • enigma secure email
    • inxbox demo temporary email
    • inxsend fake smtp/api service
    • tester for spf and dkim
  • email trends
    • how to EXTRACT EMAIL addresses
    • how to protect ''NO-MAIL'' domains
    • why do businesses use SMS
    • how to handle BOUNCED EMAILS
    • how to check if my SMTP is safe
    • DNS settings to send emails
    • how to manage MAILING LISTS
    • how to send NEWSLETTERS
    • how to send PRIVATE EMAILS
    • how to send and limit BCC EMAILS
    • measure EMAIL MARKETING
    • what is considered SPAM
    • open source EMAIL CLIENTS
    • work EMAIL and PRIVACY
    • protect emails from SPAM
    • how DMARC works - updated
    • DKIM domain for DMARC
    • most popular EMAIL PROVIDERS
    • how DMARC works
  • how to demo it today
  • how to become a partner
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