hMailServer forum

jim.bus

Where are you seeing these Alert Error messages. I think you have the use of the Max Message Size entry wrong. I believe the Max Message Size entry in hMailAdmin refers to the Max Message Size hMailServer will accept from an Email Server delivering messages to hMailServer. This would be the same for...

jim.bus

Have you checked to see what the Mail From header is that you are relaying to. Not only are you relaying email messages with an Empty From Address but you also had a transaction where you relayed an invalid email address as well. And you didn't enable all you Logs and I would have liked to see what ...

jim.bus

Road Runner residential broadband ?? Thanks residential is the problem lack of static IP If you don't use the relay, make sure that the Static IP is not blocked from sending mail as well. Not all Static IP Addresses automatically avoid being on a Policy Block List. Also, make sure the Static IP Add...

jim.bus

You don't tell us much about how you configured hMailServer. For instance you don't tell us how you attempt to have hMailServer Forward the email. Run this and post the Settings Diagnostics Report it produces https://www.hmailserver.com/forum/viewtopic.php?f=20&t=30914 Enable all your hMailServer Lo...

jim.bus

For the certificate I selected "certificate.crt." Do I need to use the "ca_bundle.crt" file? Yes. The bundle has root and intermediate certs included. That's the one hmailserver needs. Sorry for running into problems, I know nothing about these certificates :oops: . I am getting this error from hMa...

jim.bus

Signature applies only for email being sent from an Account hosted in hMailServer. You cannot use Signature to add a signature to email coming in from an External (Outside of hMailServer) sender. See https://www.hmailserver.com/documentation/latest/?page=reference_domain and look for Signature secti...

jim.bus

Do try what palinka recommended. He's been doing this longer than me. However, for many years I only used the certificate file for the hMialServer certificate entry. That was all hMailServer cared about for the Certificate entry. I used this file because the one equivalent to your bundle file wasn't...

jim.bus

From my looking at your logs, it appears to me that hMailServer is working fine for the email you are sending out (you don't show the entire transaction log so a little hard to be sure). hMailServer did send out the email. The problem appears to be on the Recipient's Email Server. hMailServer was un...

jim.bus

While not being a developer myself, I can say I do like the idea of having hMailServer capable of running on the major platforms such as Linux, MacOS, etc. But let me play devil's advocate. I believe jimimaseye earlier was talking about something similar to this concern. With most of the developers ...

jim.bus

Oops, in my network range I had it set for ssl/tls only. Fixed! If you read my post in your prior topic, you should see I suggest you need SSL/TLS required for authentication especially for the Internet IP Range. If someone attempts to connect on Port 940 they would should use SSL/TLS authenticatio...

jim.bus

Just a suggestion not related to this issue but you should enable for SSL/TLS option TLS 1.3. For some reason when this version was implemented enabling this option was omitted. TLS 1.3 will allow you to use maximum level of TLS Encryption. Also, why did you set up hMailServer to listen on IP Addres...

jim.bus

Port 940 is not a valid port for hMailServer unless you set up a customized port of your own. hMailServer does not listen for any connections normally on Port 940. Check hMailAdmin>Settings>Advanced>TCPIP Ports to see what Ports hMailServer is using. The valid standard email ports are 25, 110, 443, ...

jim.bus

Well, at my doctor's appointment this afternoon, I got Flu, COVID, and Strep Throat tests and all 3 came back negative. So, Yippee, no COVID and I can once again concentrate on my Custom Built Computer order I placed last Saturday. It's essentially a gaming level computer though I'm not a gamer. I p...

jim.bus

What do you mean by "evaluation"? (Here we have disposable lateral flow test kits you buy from the pharmacy for a couple of quid). I called my Urgent Care facility with the Medical Group I use locally as my Primary Doctor isn't in the office today (Saturday). To be on the safe side, I wanted to get...

jim.bus

Strange this topic came up today. I just got off the phone before getting on the Forum making an appointment with Urgent Care to get a COVID Evaluation. Yesterday, I started getting Cold/Allergy like symptoms which are also COVID like symptoms. I got my RSV Vaccination in early September, my COVID (...

jim.bus

Checking how I install Certificates. The file extension may need to be .pem for both the Certificate file and the Private key file. The instructions link you provided indicated the Key file extension was .key but I believe it may need to be .pem which is what I use. If you used .key that may have b...

jim.bus

Checking how I install Certificates. The file extension may need to be .pem for both the Certificate file and the Private key file. The instructions link you provided indicated the Key file extension was .key but I believe it may need to be .pem which is what I use. If you used .key that may have be...

jim.bus

Well your log entries show you are using a Relay. So are you supplying User Credentials (Username and Password) that exists on the Email Server that is being Relayed to. You haven't indicated what is in the Relayer Username and Password entries for the Relayer. Also what hMailServer version are you ...

jim.bus

I am not a developer and so can't speak to your specific question, but are you aware there is a later Beta version 5.6.9-B2607? Yes, I am aware of the beta version(s), but I was trying to figure out if it resolves the issue that I'm speaking about. According to what I can see here, the changelog ba...

jim.bus

I am not a developer and so can't speak to your specific question, but are you aware there is a later Beta version 5.6.9-B2607?

jim.bus

SorenR wrote: ↑
2023-10-15 19:32
Thanks guys...

And 'Happy Birthday' to you too!

Compared to you, I'm old 74.

jim.bus

Some Receiving Email Servers will not allow more than a certain amount of Recipients in your email. You probably have too many Recipients in one email. You probably need to have the Senders reduce the number of recipients in a single email. Another method, I believe, would be to go to hMailAdmin>Set...

jim.bus

Sorry, I made a mistake in my statement: If you don't already have this it probably would be a good idea to ensure your External Public IP Address for hMailServer is a Standard non-Residential IP Address. This is a requirement of many Receiving Email Servers and can get you Blacklisted if you don't ...

jim.bus

This is the message: Subject: Message undeliverable: xxxxxx 500 Your message did not reach some or all of the intended recipients. Sent: Sat, 9 Sep 2023 16:07:44 -0500 Subject: xxxxxx 500 The following recipient(s) could not be reached: bbbbbb@gmail.com Error Type: SMTP Remote server (142.250.125.2...

jim.bus

I know my password is correct because if I send to Virgin Media directly from Microsoft Outlook using IMAP4 it works with this password. They require SMTP SSL enabled which I have done in Mail server so I am stomped what else to do Virgin Media settings https://community.virginmedia.com/t5/Help/Vir...

jim.bus

You also don't tell us what you mean by email by Email Addresses being rejected and consequently we don't know what the actual Error message is. Is the email message being rejected by your Email Client for instance? I noticed you have 8 Auto Ban entries in your IP Ranges. If the Email Clients should...

jim.bus

I believe this to be same type of issue as before in 2018. Besides as jimmimaseye points out your connection security specified 'none'. Virgin Media specifies for Port 465 SSL/TLS which is what using Port 465 implies. You are suppose to be using SSL/TLS for Port 465 email submission. You have specif...

jim.bus

When he had this same error in 2018 (see my prior post above), he seemed to have a problem with Port 465 or 25 with the Security Connection he used and with something being wrong with his Security Certificate. He has moved his server to a different machine.

jim.bus

Perhaps this Forum Topic posted by enginer350 might be of relevance. It is the same error the Original Poster had back in 2018

viewtopic.php?t=32523

jim.bus

Correct me if I'm wrong. For a true Relay Server, all you do is pass on whatever is passed to the Relay Server. Think in terms of an MX Email Backup Server. It is essentially just a Relay Server and you don't set up anything with DNS except possibly an SPF Record for the MX Backup Email Server (Rela...

jim.bus

https://www.hmailserver.com/documentati ... nce_routes

jim.bus

You can not use an Azure VM to send Mails, except if you have an enterprise agreement: https://learn.microsoft.com/en-us/azure/virtual-network/troubleshoot-outbound-smtp-connectivity The Azure platform will block outbound SMTP connections on TCP port 25 for deployed VMs. This is to ensure better se...

jim.bus

Thanks, my server is SENDING spam from an address that I dont have. I can not seem to stop it from sending and I do not allow relay. Stumped, I recently had a stroke so my brain is not 100% hence the "willing to pay" part, gives me a headache :) M Your logs will show if the email is actually coming...

jim.bus

All guesses here since we don't have any of the error messages or Log Entries if any and we can't see your hMailServer settings. But if you are connecting to hMailServer in your Email Client settings using the server address of either 'localhost' or IP Address 127.0.0.1 and your Email Client is not ...

jim.bus

hmailserver DOES NOT order the values by itself, PERIOD! (tested in both 5.6.x as in 5.7.x) Not a word Chinese in there, what is there to not understand? Re-read my previous post, the issue seems to be Windows built-in DNS, use a proper DNS server and you should be good When I quoted RvdH, the sect...

jim.bus

I placed the domain vtsm2.ch in hMailAdmin's MX-query utility several times and it returned the two IP Addresses listed in the same order every single time. I use version 5.6.9-B2607 of hMailServer. That is your problem, hmailserver DOES NOT order the values by itself, PERIOD! (tested in both 5.6.x...

jim.bus

I placed the domain vtsm2.ch in hMailAdmin's MX-query utility several times and it returned the two IP Addresses listed in the same order every single time. I use version 5.6.9-B2607 of hMailServer.

jim.bus

I, too, was concerned about the reference to SMTP Client but that term was only used once in the section regarding the issue of how to process MX Records. I did paraphrase and condense what was said in the indicated RFC but it essentially said what I stated as regards the multiple MX Records with th...

jim.bus

RFC 5321 section 5 states the SMTP Client (which in your case the SMTP Client would be your hMailServer) should randomize the selection of MX Records of same preference. I am not a Developer and therefore do not know how hMailServer randomizes if at all. However, the RFC does not say how randomizing...

jim.bus

Might this be at least part of the problem. My guess is that this is why it will fail A/MX. But still it should pass SPF. Wish this would be in the normal Log though. Not necessarily pass SPF because isn't a part of passing SPF is that SPF Records indicate which IP Addresses are authorized for the ...

jim.bus

it takes mail.instagram.com as domain and not instagram.com Thanks for clarification. That is what I though because of the log entry. And to be more precise, these are the options I have set for skipping greylisting: Capture.PNG So it seems it failed both? Hard to tell from the log. "DNS - MX Resul...

jim.bus

Ah, right. I thought that was the point of setting up a route, to avoid that behaviour and use another mail server. I've discovered that this shouldn't be impacting our migration, so not going to test further. Thanks for your help. The Route would do that if the same Email Accounts on Google Worksp...

jim.bus

No difference. My test is to send an email from rob@example.com to rob@example.com;robtest@example.com. Both accounts exist on both hmailserver and Google Workspace. There's your problem. If the recipient email account exists as Local on hMailServer then the email will be delivered to the Local Ema...

jim.bus

First, is Sonosync Admin an Email Client of some kind? Second, I can almost guarantee you have set the wrong local host name in hMailAdmin. The local host name is the External Public Hostname which is used for your Local Network and would be in the form of something like mail.example.com. But it cer...

jim.bus

Mostly correct, with one exception hMailServer will always prefer IPv4 over IPv6 unless specified to prioritize IPv6 (this is a additional setting in 5.6.x mod, and 5.7) Based on this request: https://github.com/hmailserver/hmailserver/pull/224 5.6.x (mod): https://github.com/RvdHout/hmailserver/bl...

jim.bus

Sorry, I don't know what dual stack means. does your hmailserver installation support both IPV4 and IPV6 ( dual stack )? ( IPV4 support is installed and configured by default in hmailserver,,but have you manually added things to get IPV6 to work... ? ) It seems your Operating system is IP dual stac...

jim.bus

Ended up it seems that the web host we are using is blocking traffic on port 25. Not sure why some people in the thread can reach it, while others cannot. But thanks for all the help. I ended up switching to port 465 as per their instruction. It seems to work so far. Thanks so much to everyone in t...

jim.bus

I did check my suggestion that using SPAM Protection by checking SPAMHAUS and SPAMCOP Blacklists does eliminate all the Email ID guessing. I tried setting my Delete Threshold to the total score the DNS Blacklists checking produces and I got the following Log Entries instead of all the Email ID Gues...

jim.bus

I did check my suggestion that using SPAM Protection by checking SPAMHAUS and SPAMCOP Blacklists does eliminate all the Email ID guessing. I tried setting my Delete Threshold to the total score the DNS Blacklists checking produces and I got the following Log Entries instead of all the Email ID Guess...

jim.bus

Just a point of information. While I like the idea of trying to treating this situation as 'too many invalid commands', my earlier suggestion that SPAM Protection will stop this Email ID guessing does work. I've tested my suggestion now and it completely stops all of the Email ID guessing. Since vir...

jim.bus

So you insisted one thing can't be interpreted as a invalid command, eg: RCPT To, but yet in this cas you want to use issue the same trigger/punishment for 2 unrelated authentication issues? Time to make up your mind, can't have it both ways My question was should it be treated as though it were an...

jim.bus

Need to ask a question. Although, this '504 Authentication not enabled' response from the 'AUTH LOGIN' command usually only happens once per email Transaction/Connection, is this also considered an Invalid Command? I have frequently been receiving these throughout the day and from the same IP Addre...

jim.bus

Need to ask a question. Although, this '504 Authentication not enabled' response from the 'AUTH LOGIN' command usually only happens once per email Transaction/Connection, is this also considered an Invalid Command? I have frequently been receiving these throughout the day and from the same IP Addres...

jim.bus

EnqueueWrite_() and SendErrorResponse_() are not used very consistently throughout the code, im my opinion anything between 500 => and <= 599 is a invalid command, hence the 5xx error code Not meaning to be offensive here but your opinion as to what is an Invalid Command might be irrelevant. Becaus...

jim.bus

I took the Github link you supplied and scrolled the code to the top and saw what looked like documentation indicating this code was for 5.7 unless I misinterpreted what that reference was about. I meant the OP didn't state what version he is using, (to) many go for 5.7 The original poster didn't, ...

jim.bus

It was a long time ago (I think pre 2016 - but in all honesty I cant rememeber) and Im sure this is 550 was added to the 'invalid command' condition as a consequence. Whether it made it in the Beta (and subsequent 5.7 alpha) only or not I know not. (A search of GITHUB should uncover the evidence). ...

jim.bus

I don't see any version number mentioned... my mod (and 5.7.x) returns: if (!recipientOK) { SendErrorResponse_(550, CONST_UNKNOWN_USER); return; } vanilla (5.6.x) indeed: if (!recipientOK) { EnqueueWrite_("550 Unknown user"); return; } I took the Github link you supplied and scrolled the code to th...

jim.bus

You are looking at 5.7 code that I believe you created. Read my comment above: I have some vague hazy memory that years ago I raised this with Martin and that he implemented the change that Tunis is now experiencing (ie, cuts off based on '550 unknown user' once the 'invalid command' limit has been...

jim.bus

Whatever, it is the freaking combi....are you dumb or what? if you only issue RCPT TO (without recipient) it is invalid, do the same with RCPT TO 'non-existant@user.com' it is a invalid command, RCPT TO 'existant@user.com' is valid Then where is the Error Response in the Log Entry. It just generate...

jim.bus

RCPT TO 'non-existant@user.com' IS A INVALID COMMAND I differ with you on you saying it is an INVALID COMMAND. This is because the RCPT TO is the only thing that is the command. The 'non-existant@user.com' is what the COMMAND is acting on. It is no more an INVALID COMMAND than 'AUTH LOGIN non-exist...

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