hMailServer forum

Dravion

Also, we use a product called WebSmart and it is also a limiting factor in that our version of it does not allow domain names in the ECFGSMTP settings/command. We would have to upgrade to at least the 11.4 version of WebSmart and our tech team does not want to go that route yet, as they say they wo...

Dravion

First of all, yes it is possible. But it also depends on exactly why your Office365 Plan looks like. If you have the cheap, basic Plan, it won't work, because you need mandatory Exchange Online in your Office365 Plan. Next your need to know, Office365 Servers tending to bitch around what to accept a...

Dravion

Yeah, Scripting will get a complete overhaul. The COM API is not good way to reduce CPU consumption. Its convenient for Scripting but design wise it has some Problems. How ever, instead of VBScript HCD will have LUA-Scripting which is as easy to learn as VBScript. I will make the Scripting Host work...

Dravion

I just learned that using a ARM64 CPU instead of a x86 CPU (32 or 64-Bit) will reduce the Energy coast of Server extremely (CPU Energy manufacturing costs and Runtime Operation Energy costs). Interrestingly Microsoft is working on a Windows Server Version for ARM64 CPUs as well. There are also Linux...

Dravion

Before you upgrade Check the EOL-Info Articles regarding DB and Windows Support https://www.hmailserver.com/forum/viewtopic.php?f=21&t=33506 Also check end of Support dates for Windows https://support.microsoft.com/en-us/lifecycle/search?alpha=Windows%207%20Professional Windows 7 is allready out of...

Dravion

I just found this article IF THE WORLD STOPPED USING EMAIL, HOW MUCH ELECTRICITY WOULD WE SAVE? Looks like Email is contributing a lot to the Problem: Other sources estimate that a 10KB email uses up to 0.074 microwatts of electricity, and a 500KB email up to 3.7 microwatts Source: https://wndyr.com...

Dravion

It is an problematic Errror message but in this context it means the folliwing. A Remoteclient (can be SMTP, POP3 or IMAP) just connected sucessfully (with or whout SSL/TLS) and hMailServer is now Ready for example SMTP Command tokens like HELO, MAIL FROM, RCPT TO:, ect.But the Client doesnt sebd co...

Dravion

There are some valid points in your posting. I think we should offer all resources we have to provide support as best as we can. Stackeroverflow and Superuser are two oft the most important sites with heavy traffic and exists for years and both are handled by the same Company. I cannot count how man...

Dravion

Sorry, but Stackoverflow is one of the most important sites for Developers and IT-Professionals. It is valuable to have Stackoverflow involved. I also backlink to the forum and Github accounts.

Dravion

There are Users which running this LibreSSL 64-Bit Version for Month in Production without Problems. In atleast one case its documented this LibreSSL 64-Bit Release works even more reliable then the official OpenSSL 1.0.2.x Releases. Regarding official: The last (unreleased) Github commits are dated...

Dravion

Support topics regarding hMailServer are discussed at Stackoverflow as well.

https://stackoverflow.com/questions/tagged/hmail-server

Dravion

There is no need to do something like this. The BOOST C++ Framework is designed to handle File and Network I/O via Windows IO Completion port. This means every File/Folder or Network Operation is organized with Asynchronous Threading which has the ability to delay and balance I/O Operation without C...

Dravion

The Receiving SMTP-Servers has a Parallel Connection Limit in charge to reduce Spammers.
Maybe try stop spamming and your Emails wont rejected next time.

Dravion

Seems to be a stack deallocation Problem after adding C++ Collections without resetting it correctly before. Will look into it

Dravion

Is this related to hMSLog2Ban?

Dravion

What happens to those of us that have split log files using this setting: SepSvcLogs=1 ; This key tells hmailserver to split SMTP/IMAP/POP into their own log files such as hmailserver_SMTP_2010-10-24.log, hmailserver_IMAP_2010-10-24.log, hmailserver_POP3_2010-10-24.log ; Default is to have all serv...

Dravion

Youre welcome

Yes, i will update the LTS Builds as long as possible.

Meanwhile HCD is in the making with new Features
and Linux and Mac Support.

Dravion

Fix:
hmailserver_awstats.log
hmailserver_events.log
hmailserver_backup.log
ERROR_hmailserver*.logs

Are now excluded.
*Source is in sync with the compiled EXE
*Codesigned and Virustotal Hash updated

https://github.com/Dravion/hMSLog2Ban/r ... ag/1.0.0.1

Dravion

Try first to use a diffrent Email Client and see if you receive doubled Emails here as well.

Dravion

Anyone can anything place into MAIL FROM: Header fields.
Don't rely on it.

Dravion

Right now hMSLog2Ban iterates trough all *.log files within hMailServers Log folder and is trying to open any log file in exclusive mode until a file was found which cannot be opened because it is allready opened by another process. If the file is not awstats log, it is assumed it is the current lo...

Dravion

Right now hMSLog2Ban iterates trough all *.log files within hMailServers Log folder and is trying to open any log file in exclusive mode until a file was found which cannot be opened because it is allready opened by another process. If the file is not awstats log, it is assumed it is the current log...

Dravion

last night i finished a VBS which parses current hmailserver_today.log (not awstats!!) SMTPD lines where Instr SENT: 550 or 504 or 535 is true and reads IP in that line. 10+ times occured IPs are banned in IP ranges. if i have time i do some makeup + comments on code and post here. That's awesome! ...

Dravion

do { if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { // dont list directory dots } else { if (!wcscmp(ffd.cFileName, L"hmailserver_awstats.log") == 0) { int x = 1; HANDLE hFile; hFile = CreateFile(ffd.cFileName, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (hFile ==...

Dravion

It seems you didnt click the START Buitton! You need to click the Start Button to make it work. You can see if it works in the bottom area Take a look at this Screenshot: inaction.jpg Pressing start makes no difference, Different system...same problem Untitled.png [EDIT] once i delete hmailserver_e...

Dravion

What if we made a mistake and want to undo a added entry? For now, just press the Stop or Quit Button and all Bans are gone Can you make it load IPs from a database or text file so you don't have to start from scratch every time you quit or restart? This could be way more efficient, simpler, faster...

Dravion

Option to specify custom error message to filter on, example: 550 Delivery is not allowed to this address There is no way to archieve something like this. It uses only the "current" hMailServer log file for blocking ips after the connection was closed by hMailServer. Why not? In hMailServer we can ...

Dravion

It takes hMailServers current, normal logfile as input. It requires that logging is enabled plus SMTP logging is enabled in hMailAdmin as well. No, it doesn't http://i68.tinypic.com/2d0fmlj.png It seems you didnt click the START Buitton! You need to click the Start Button to make it work. You can s...

Dravion

Maybe this can help you out with your Problem
https://www.hmailserver.com/forum/viewt ... 81#p213281

Dravion

Like it, but where does it store it's blocked ip addresses if it is not using windows Firewall? hMailserver's auto-bam entries? It uses the Windows Filtering Platform (WFP). It was added in Windows Vista and is more Lowlevel than the Normal Windows Firewall. I believe since Vista, the Entire Window...

Dravion

Thats correct, it i stored in the Registry. Any Public Key Encryption System needs a place called a Truststore. Exceot on Windows itsnirmalky a specific folder but Microsoft decided to put the Windows Truststore into the Registry. Besides this, Microsoft invented its own Fileformats to handle SSL Ce...

Dravion

hMSLog2Ban is a utility which detects a running hMailServer.exe and if its 32 or 64-Bit. I will find the correct hMailServer log file (without touching the COM API) and scans for "SENT: 550 Unknown user" pattern. if it finds the pattern, it will lookup the attacker ip address (IPv4 only right now) a...

Dravion

Describe the flow.

Oracle sends (as SMTP-Client) to hMailServer and hMailServer "should" send its received Emails to MS-Exchange Server or MS Office 365 hosted (Cloud) Exchange?

Dravion

Is you Oracle SMTP Server your primary MX or is hMailServer you primary MX pointing SMTP-Server?

Dravion

Yeah, there are situations a GUI is more a burden than a help

Dravion

Does SQL need to changed at all, or will this be OK? I'm assuming (though I don't know off the top of my head) that we installed a 64-it version of this. I can check tomorrow. No, you shouldnt touch your DB because thats not your performance issue . In terms of DB Upgrades you can do a lot wrong, s...

Dravion

Ok, if a specific Account is 172 GBytes big, loading and search speed for older Messages will increase because the C++ lookup code is not that good for realy large Accounts (it simply scans the whole bunch of any single file EML File linked to the Account line by line). We should take care of this i...

Dravion

You have to be more specific. Is your entire hMailServer DATA Folder 172 GBytes big (which includes the Emails of all hMailServer Accounts) or are we talking about only 1 IMAP Account and which has 172 GBytes of data?) If the entire DATA Folder is 172 GBytes big (for all Users) its not that big. PS:...

Dravion

Youre right, SSD would be way faster than a HDD Array. Of cause there are older SSDs which are slow to, but modern SAMSUNG SSDs for example doing verry well. I5 CPU are a little dated and you dhould upgrade to latest Xenon or I9 CPUs and fastest possible ECC RAM Modules. Mainboard or NIC Adapter can...

Dravion

Right now we have other stuff todo but meaningfull RFC Features are allways on our radar.

Dravion

Inom Norkulov wrote: ↑
2019-06-24 15:44
'IOCPQueueWorkerTask', Message: bad allocation"

In 99% of all cases a hMailServer bad allocation error is related to faulty RAM Memory Modules.

Check your RAM before doing anything else with Memtest86+ (it will took a few hours to complete).

Dravion

The Database is not ready or reachable as hMailServer
at this point time. Durnibg Setup, make sure you selected the MSSQL Service as Dependency.

Dravion

This wannabe Hacker sends donzenz of Emails with a ages old Adobe Coldfusion Batchmailer (see X-Mailer field in the header) because he is to dunb to use something modern like PHP Mailer. Also SPAM Assasin allready identifued it as Spam so you should have valid pointer to stop this Idiot.

Dravion

Some Attacker info: The Email address <jia@aguerriarquitectos.com> is fake. Anyone can fake a Email address in this way, thats no deep Hacker wisdom. The Hacker comes from Russia, Moscow. He delivered the Email to you via Dynamic IP Dialup Connection (109-252-91-99.nat.spd-mgts.ru) which resolved to...

Dravion

Hi baccai Run the following command 1) Open a Windows Command prompt 2) type in: sc query hmailserver And post the result: Should enable all Logging checkboxes (in hMailAdmin) in Section Settings -> Logging -> Enabled [x] Application [x] SMTP [x] POP3 [x] IMAP [x] TCP/IP [x] Debug [x] Debug [x] AWSt...

Dravion

Its HCD not HCM. The Rest is correct. LTS is for fixes and support only, HCD brings Features and Changes (for example LibreSSL instead of OpenSSL 1.1.x support ect), MS-SQL CE removed and SQLLite added instead, Linux and Mac Support, a new Scriting Language and and a Reworked Admin Client based on QT.

Dravion

The linux options are trash in comparison. I having to install and maintain 6+ applications in place of one is why I changed to hMailserver in the first place. The hMailServer Community Developers (HCD) Project is committed to bring hMailServer to (POSIX) Portable Operating System Interface for all...

Dravion

I purchased the certificate via RapidSSL and received ServerCertificate.cer CACertificate-ROOT-2.cer CACertificate-INTERMEDIATE-1.cer I am a little lost regarding the next steps to get this working - any guidance would be appreciated Darren The only interresting file for hMailServer is ServerCertif...

Dravion

Ok, i checked this mod_md option, but it doesn't work. Without Port forwarding or a public Domain Letsencrypt cant issue a SSL-Certificate, so this Feature for hMailServer can only be used with a public TLD-Domain. Its completely useless for cooperate hMailServers behind a NAT-Router with Dynamic I...

Dravion

Ok, i checked this mod_md option, but it doesn't work. Without Port forwarding or a public Domain Letsencrypt cant issue a SSL-Certificate, so this Feature for hMailServer can only be used with a public TLD-Domain. Its completely useless for cooperate hMailServers behind a NAT-Router with Dynamic IP...

Dravion

ACME v2 is now an IETF standard.. https://tools.ietf.org/html/rfc8555 The alternative is DNS challenge... Yes. It allows SAN and Wildcard Certificates with up to 100 Common names in 1 single SSL-Certificate for example: smtp.domain.com, www.domain.com, xyz.domain.com ect. Apaches mod_md already sup...

Dravion

Great idea. Validation could be an issue if Apache or iis are working on the same machine. Can letsencrypt validate on alternate ports? Like 81 or 8081? Letsencrypt support ACME V2 so you name it, they do it. Letsencrypt lists 39 client implementations of the ACME v2 protocol. There is a "standalon...

Dravion

@Mattg Yes, this is true and its the same on Linux. But the Problems doesnt stop at the Windows Operatingsystem Level. Your Windows box (or VM} needs to have access to an IPv6 Standard Gateway and and you need to allow ICMP Packets by Firewall (required by IPv6 for Router advertisement messages or y...

Dravion

Thats not the point.
I can do it myself without any Problems and need no help doing it.
We talking about making it a Feature of hMailServer HCD so it becomes a builtin feature.
A normal Windows user doesnt know what SSH or Putty or ACME even means.

Dravion

Ok, the Subject says it all. Setting up SSL for Mailservers simply sucks (not only for hMailServer). Newbies get lost int the process and you need to install extra Software, bitching with Webservers and Firewall settings just to make sure your SMTP 2 SMTP Server transmissions are encrypted. I think ...

Dravion

In theory this sounds reasonable but in reality this can cause a lot of Problems. First, you need to find out if the Destination server supports IPv6 or not. On SMTP Protocol level, you only can check this if the Email comes back as undelivered. Problem is, the bounced Email will not show up immedia...

Dravion

Unfortunately, this one of hMailServers least used features ever.
If you really need Active Directory Integration, you should use Exchange on Premise.

Dravion

All the requirements here are inbound email downloads (IMAP/POP) where office365 does not have IMAP/POP enabled... OK lets make this really clear hMailserver can connect via POP3 for external download hMailserver can NOT connect for external download ANY OTHER WAY (includes no IMAP, no MAPI, NO MAP...

Dravion

Yes, HCD is in the making.

Dravion

What is a "Mail Contact"? hMailServer has User accounts which are at the same time Email addresses. Its simple: 1) Configure Office365 Mailflow/Connector in Exchange Online settings for your Office365 Organization 2) In hMailServer under Settings/Protocols/SMTP->"Delivery of e-mail" insert Office365...

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