• SMTP (Simple Mail Transfer Protocol)

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

    ITKE413,500 pointsBadges:
  • Moving closer to the internet as an operating system

    The internet is arguably evolving as an operating system in its own right, with IP, HTML, SMTP and other underlying protocols combining with online application frameworks such as SOAP, web services, Ajax, Ruby on Rails and mash-ups. Added to this are remote web-based storage services, and...

    ComputerWeekly5,385 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.

    SearchWindowsServer2,015 pointsBadges:
  • Use Performance Monitor to detect Exchange 2003 message queue problems

    Discover how to use the Performance Monitor tool in Exchange Server 2003 to set SMTP queue email message threshold values and prevent mail flow issues.

    Brien Posey14,230 pointsBadges:
  • Cannot send emails from iSeries to Office 365

    Hi, Since a few weeks we moved to Office 365 and now we cannot send mails from our ISeries. Does someone have experince with configuring SMTP for Office 365? It user port 587 Thanks.

    KansaraxBuda5 pointsBadges:
  • Do you think the IIS SMTP mail relay service is a good way to prevent spammers from interfering with your Exchange Server?

    searchsecurity25,745 pointsBadges:
  • 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 Posey14,230 pointsBadges:
  • Locking down SMTP in Win2K and Server 2003

    Weaknesses in your SMTP service configuration can pave the way for DoS attacks and spammers. Contributor Jonathan Hassell recommends locking down the service with these configuration changes to secure your mail services and limit the impact of spam.

    JonHassell1,500 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...

    laurapennquakers2,040 pointsBadges:
  • 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...

    laurapennquakers2,040 pointsBadges:

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