• SMTP (Simple Mail Transfer Protocol)

    SMTP (Simple Mail Transfer Protocol) is a TCP/IP protocol used in sending and receiving e-mail.

    ITKE54,755 pointsBadges:
  • Quick Takes: Sophos secures SMTP protocol

    Anti-virus vendor Sophos announced its Sophos MailMonitor, a real-time e-mail scanner for the Internet's standard protocol SMTP, that detects, reports and disinfects viruses. MailMonitor scans e-mail before it reaches the SMTP server and detects viruses in compressed attachments ZIP, LZH, ARJ, RAR,...

    MMimoso2,605 pointsBadges:
  • A primer on messaging standards: SMTP, POP and IMAP

    A brief introduction to three of Exchange's more commonly used messaging standards: SMTP, POP and IMAP.

    Brien Posey5,980 pointsBadges:
  • SMTP transport event sink issue with MAPI messages

    If you use an SMTP transport event sink to modify the contents of an outgoing MAPI message -- i.e., an e-mail sent using Outlook -- the modifications will not take. Find out why and how to resolve the issue.

  • Stay above the SMTP queue floods

    Spam is the primary culprit for clogged SMTP queues, but there are ways to prevent email from building up in the queue so your server will function normally.

    Brien Posey5,980 pointsBadges:
  • SMTP greylisting problem on Exchange Server 2003 SP2

    A greylisting problem on Exchange Server 2003 SP2 causes sent email to stack up in the SMTP queue and not get delivered. Discover three workarounds that fix the issue.

  • How can I monitor SMTP traffic coming from all machines?

    As a consultant called to evaluate why the mail host for a domain noticed a threefold increase in outgoing traffic, I went to network monitor (inside their firewall) to identify the offending machine. Is there a way to monitor just SMTP traffic coming from all machines? I was able to identify the...

    laurapennquakers1,160 pointsBadges:
  • What tool or utility can I use to stop IP spoofing?

    I'm running my mail server on a Windows 2000 SP4 server. Everything is working fine, but I've noticed recently that an SMTP server (or something pretending to be an SMTP server) keeps trying to connect and route mail to my real SMTP Mail server. This isnot a big deal normally, as I know many ways...

    laurapennquakers1,160 pointsBadges:
  • SMTP service warnings in Event Viewer

    My Event Viewer is filled up with SMTP service warnings. The message is: "Message delivery to the remote domain 'yahoo.com.tw' failed for the following reason: The connection was dropped by the remote host." Even after restarting the SMTP service, these messages with different domains are coming....

    ITKE54,755 pointsBadges:
  • Filling SMTP gaps: The secrets to using email standards

    Learn how to add data integrity, sender authentication and encryption to SMTP-based email with standards that have been around since 1999.

    searchsecurity9,745 pointsBadges:

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