Search found 4067 matches
- 2021-01-27 02:16
- Forum: Feature requests
- Topic: RFC Local hostname in SMTP-protocol
- Replies: 8
- Views: 218
Re: RFC Local hostname in SMTP-protocol
A few advantages of this setup with onpremise servers are: No exposed server/port on my clients side Central management of domains/useraliases/pop collecting Central management and monitoring of spam/antivirus Low cost of operation I should have written .."domains with useraliases".. Pop and delete...
- 2021-01-26 18:38
- Forum: Scripting
- Topic: Best update order/procedure ClamAV and Spamassassin
- Replies: 6
- Views: 70
Re: Best update order/procedure ClamAV and Spamassassin
Hmm... ClamD daemon on port 3310...
Socket commands
Code: Select all
echo "RELOAD" | telnet localhost 3310
Code: Select all
PING
VERSION
RELOAD
SHUTDOWN
SCAN file/directory
RAWSCAN file/directory
CONTSCAN file/directory
MULTISCAN file/directory
ALLMATCHSCAN file/directory
INSTREAM
FILDES
STATS
IDSESSION, END
- 2021-01-26 18:26
- Forum: Scripting
- Topic: Best update order/procedure ClamAV and Spamassassin
- Replies: 6
- Views: 70
Re: Best update order/procedure ClamAV and Spamassassin
This will do that and more. You can cut out what you don't want. https://hmailserver.com/forum/viewtopic.php?f=9&t=35447 I think I can achieve that but what I'm missing is how to prevent HMS errors when freshclam is running. I was thinking of disabling the FreshClam service and to transfer the fres...
- 2021-01-26 17:06
- Forum: User-submitted tutorials
- Topic: Adding warning to message only if it contains attachments
- Replies: 13
- Views: 247
Re: Adding warning to message only if it contains attachments
Either you create a rule to trigger on every incoming message and do the selection in a script procedure in EventHandlers.vbs OR you master RegEx enough to make the selection in a rule and then trigger a script procedure in EventHandlers.vbs. Either way you must know how to write a script procedure...
- 2021-01-26 15:11
- Forum: User-submitted tutorials
- Topic: Adding warning to message only if it contains attachments
- Replies: 13
- Views: 247
Re: Adding warning to message only if it contains attachments
How will you determine whether a url or attachment is one that needs to be flagged? The presence of an url or an attachment is enough. You know, there is a search function on this board... I started this post mentioning this post in the first place. Can you tell where I can read how to get it to fi...
- 2021-01-26 04:57
- Forum: Off-topic discussions
- Topic: Corona Virus
- Replies: 270
- Views: 80102
Re: Corona Virus
Our parliament have 179 members... Currently we have 14 parties and 6 independent members. Does stuff get done? Or is there just constant 'minority group pandering' during negotiations to get bills passed? They do get stuff done. Currently we have a "socialist" minority goverment but they are backe...
- 2021-01-26 04:35
- Forum: Off-topic discussions
- Topic: Corona Virus
- Replies: 270
- Views: 80102
Re: Corona Virus
If someone comes up to you and gives you a choice of a RED candy bar or a BLUE candy bar... Asking for a GREEN candy bar is not an option. If that is what you want then your concept of voting is flawed. You are given two choices and that's it - take it or leave it. Voting is about what I want and if...
- 2021-01-26 02:04
- Forum: Off-topic discussions
- Topic: Devs watching QA test the product
- Replies: 0
- Views: 18
- 2021-01-26 00:40
- Forum: User-submitted tutorials
- Topic: Adding warning to message only if it contains attachments
- Replies: 13
- Views: 247
Re: Adding warning to message only if it contains attachments
Thanks Palinka for your tips but.... :) What I'm trying to achieve is to have a warning message added to an email which either contains an url or has one or more attachments. It is an extra to the normal Spam/Fishing/antivirus checks already in place in HMS but which offer no warranty an attachment...
- 2021-01-24 17:30
- Forum: General discussions
- Topic: So Im A Noob At Hmail Server, I Want To Set it up
- Replies: 8
- Views: 183
Re: So Im A Noob At Hmail Server, I Want To Set it up
Start with "installation tutorial" and follow it. This one is not bad :!: https://adamtheautomator.com/hmailserver-getting-started/ Table of Contents * Preparing Your Environment ..... Your Technical Knowledge ..... System and Software Requirements ..... Database Requirements ..... Network and Port...
- 2021-01-24 01:05
- Forum: Development & alpha discussions
- Topic: hMailServer 5.7
- Replies: 170
- Views: 183868
Re: hMailServer 5.7
IP ranges you never want to be autobanned should be 101 or higher. I believe user autobanning overrides priority, so, for example, if you have 127.0.0.1 priority = 110, then IP 127.0.0.7 can never be locked out. However, the user account that triggered the autoban CAN be locked out. This adds secur...
- 2021-01-23 18:12
- Forum: Development & alpha discussions
- Topic: hMailServer 5.7
- Replies: 170
- Views: 183868
- 2021-01-23 13:07
- Forum: Development & alpha discussions
- Topic: Sub OnHELO(oClient) progress?
- Replies: 234
- Views: 209904
Re: Sub OnHELO(oClient) progress?
A bit harsh. 😂 Not you, silly... :mrgreen: RvdH's github repository. :idea: Oh well, should have quoted @RvdH and not you. Basically it is this commit (never released) and this one discussed here , which you both have merged inside your fork and compiled against OpenSSL 1.1.1i making it match the l...
- 2021-01-23 02:16
- Forum: Development & alpha discussions
- Topic: Sub OnHELO(oClient) progress?
- Replies: 234
- Views: 209904
Re: Sub OnHELO(oClient) progress?
Not you, silly...


Oh well, should have quoted @RvdH and not you.
- 2021-01-23 01:56
- Forum: Development & alpha discussions
- Topic: hMailServer 5.7
- Replies: 170
- Views: 183868
Re: hMailServer 5.7
IP Ranges excluded from BAN should use priority > 20 for versions before 5.7 and priority > 100 for version 5.7 It looks like autoban is using prio 100 to ban IP's which is higher then the internet (10) and local ip's (15). The IP-ranges I want to exclude from autoban have 20 as I think they will n...
- 2021-01-23 01:51
- Forum: Development & alpha discussions
- Topic: Sub OnHELO(oClient) progress?
- Replies: 234
- Views: 209904
- 2021-01-22 23:12
- Forum: Development & alpha discussions
- Topic: hMailServer 5.7
- Replies: 170
- Views: 183868
- 2021-01-22 22:07
- Forum: Development & alpha discussions
- Topic: hMailServer 5.7
- Replies: 170
- Views: 183868
Re: hMailServer 5.7
Yes, I have backups and am able to go back in a few minutes if I run into problems. I closely monitor the logs for errors or abnormalities so maybe I can contribute with my specific setup. Can you eleborate on the Ip ranges and the priority please? I only have a few Ip ranges with internet 10, loca...
- 2021-01-22 19:14
- Forum: Development & alpha discussions
- Topic: hMailServer 5.7
- Replies: 170
- Views: 183868
Re: hMailServer 5.7
You need to log in to github as a user first. [Entered by mobile. Excuse my spelling.] Thank downloaded and upgraded, works like a charm! If your current version HMS is 32-bit don't forget to update libmysql.dll before you start the installation. I didn't and use MariaDB so I had to replace my libm...
- 2021-01-22 18:06
- Forum: Development & alpha discussions
- Topic: hMailServer 5.7
- Replies: 170
- Views: 183868
Re: hMailServer 5.7
Github ... Artifacts https://github.com/hmailserver/hmailser ... /458207892
- 2021-01-22 17:57
- Forum: Feature requests
- Topic: RFC Local hostname in SMTP-protocol
- Replies: 8
- Views: 218
Re: RFC Local hostname in SMTP-protocol
Plenty Domains with aliases and even (dummy-)users for which pop is collected and delivered to addresses in domains. And plenty routes to client-servers with their main emailaddresses so mail is delivered. Also rules for some specific cases. No mail is being kept locally. Any change in above is rep...
- 2021-01-22 17:30
- Forum: Feature requests
- Topic: RFC Local hostname in SMTP-protocol
- Replies: 8
- Views: 218
Re: RFC Local hostname in SMTP-protocol
That is correct but i now have a master-slave setup for mysql so a change on the master gets replicated but not the other way around. I would like to have a master-master setup so the changes are bidirectional. Right now MX1 is the sql-master and MX2 is the slave and it works fine as long as we res...
- 2021-01-22 16:01
- Forum: Feature requests
- Topic: RFC Local hostname in SMTP-protocol
- Replies: 8
- Views: 218
Re: RFC Local hostname in SMTP-protocol
I succesfully setup two servers with master-slave sql db for HMS, so every change in settings on the master automatically gets replicated to the slave. Of course I realize the settings only fully apply when the slave hmailserver is restarted, but I don't have to export and import between the two se...
- 2021-01-22 00:15
- Forum: General discussions
- Topic: SPF and Host not checked on EHLO <IP-Address>
- Replies: 6
- Views: 167
Re: SPF and Host not checked on EHLO <IP-Address>
So On EHLO the other party just adds an IP: 39.45.233.65 RFC says HELO/EHLO greeting must be FQDN or an address literal in square brackets and should match/resolve to the connecting IP address. I checked SPF on his mail domain: chrobinson.com: (nothing for mailgw8.chrobinson.com) v=spf1 mx ip4:168....
- 2021-01-21 12:47
- Forum: Off-topic discussions
- Topic: Corona Virus
- Replies: 270
- Views: 80102
Re: Corona Virus
What is the difference in voting for "none of the above" and not voting at all when the objective is selecting the candidate with the most votes?
A wise man once said; "Life is like a box of chocolade, you never know what you gonna get".
A wise man once said; "Life is like a box of chocolade, you never know what you gonna get".
- 2021-01-21 04:04
- Forum: Off-topic discussions
- Topic: Corona Virus
- Replies: 270
- Views: 80102
Re: Corona Virus
Hmm... I believe the correct term for the Danish version of Democracy is "Parliamentary Democracy" since we have a multi-party structure. Our democracy is only about 170 years old, before then the monarch (King or Queen) ruled absolute. First known king Harthacnut (Danish: Hardeknud) dates back to t...
- 2021-01-21 02:33
- Forum: Off-topic discussions
- Topic: Corona Virus
- Replies: 270
- Views: 80102
Re: Corona Virus
Does your speaker of the house wield power? Our Speaker is a token figure with little authority, and essentially a wasted vote in the house. I can't give you specifics but Speaker Of The House does have leadership power meaning s(he) does set the Agenda and what gets voted on. Speaker Of The House ...
- 2021-01-21 01:28
- Forum: Off-topic discussions
- Topic: Corona Virus
- Replies: 270
- Views: 80102
Re: Corona Virus
My understanding was in the beginning the Founders never intended there be a Party System and I don't believe you will find any references to a Party in the Constitution or at least the Original unAmended document. I for one don't want to see any Party System where one Party is always trying to kee...
- 2021-01-21 01:16
- Forum: General discussions
- Topic: But.. I don't have .net on the current server and it works?
- Replies: 5
- Views: 134
Re: But.. I don't have .net on the current server and it works?
Yes it is the current production release I am referring to. That is what is installed on the current, live server. But that server does not have .net 3.5 installed (it has 4.8) and yet it runs/works. But when I try to install the current production release on 2019, it insists on having .net 3.5 ins...
- 2021-01-21 01:13
- Forum: General discussions
- Topic: But.. I don't have .net on the current server and it works?
- Replies: 5
- Views: 134
Re: But.. I don't have .net on the current server and it works?
I am not an expert on this question but it sounds to me that you may be using an older version of hMailServer and installing it on Windows Server Version 2019. Windows Server 2019 is not the official supported list of Windows Server but hMailSever will probably run on it as I know for the longest t...
- 2021-01-21 00:30
- Forum: General discussions
- Topic: But.. I don't have .net on the current server and it works?
- Replies: 5
- Views: 134
Re: But.. I don't have .net on the current server and it works?
Hi, I am in the starting steps of preparing a new VM, running Windows Server 2019, to host mail. The current server is 08r2 and does -not- have .NET 3.5 installed, only 4.8 Yet with that installed on the new server, the hmail installer insists it needs .net 3.5 installed? So why is it able to run j...
- 2021-01-20 04:07
- Forum: General discussions
- Topic: One hMailServer with access from different VLANs question
- Replies: 5
- Views: 174
Re: One hMailServer with access from different VLANs question
Yep, that is a fair bit of mucking around, and not on a default system. HyperV is mention as one of the solutions, and what that does is trick the OS into seeing multiple NICs, each only seeing LAN segments. Linux and BSD devices have been VLAN capable for a very long time. Most home routers, firew...
- 2021-01-20 02:50
- Forum: General discussions
- Topic: One hMailServer with access from different VLANs question
- Replies: 5
- Views: 174
Re: One hMailServer with access from different VLANs question
but your microsoft windows operating system will propabally support VLAN .. I don't think that is correct The only Windows system that I've seen support VLANs is HyperV Server. Sure they see the LAN addresses, but not not VLANs My question is, does hMailServer is capable to run in above network con...
- 2021-01-19 04:19
- Forum: General discussions
- Topic: Multiple Instances on one DB Server
- Replies: 14
- Views: 273
Re: Multiple Instances on one DB Server
Fail-over would be script on the sleeping server decommisioning IP address from dead server (booting it) to and assigning the IP address to local server and then start hMailServer. When dead server return from boot it will detect other server is active and go into a wait loop. One possible way to d...
- 2021-01-19 03:57
- Forum: General discussions
- Topic: Multiple Instances on one DB Server
- Replies: 14
- Views: 273
Re: Multiple Instances on one DB Server
Thinking... Two hMailServer instances running on separate guests, one primary, one redundant. All configuration done to primary. Redundant unit has identical configuration to primary. Configurations synchronized using backup/restore script scheduled task running at RPO frequency. Only thing that ne...
- 2021-01-19 03:29
- Forum: General discussions
- Topic: Multiple Instances on one DB Server
- Replies: 14
- Views: 273
Re: Multiple Instances on one DB Server
I use two metrics for planning high availability. One is the Recovery Time Objective, or RTO, which specifies the tolerable amount of time the service can be unavailable. An RTO of 5 minutes, for instance, specifies that it is tolerable for a failure to result in 5 minutes of downtime before recove...
- 2021-01-19 02:21
- Forum: General discussions
- Topic: Multiple Instances on one DB Server
- Replies: 14
- Views: 273
Re: Multiple Instances on one DB Server
And ONE common file store So, for a high-availability configuration, you have separate MTA process instances running on discrete nodes, with a common DBMS hosting a discrete database for each node, but with both nodes sharing common, networked, file-storage? Couple of questions: 1. If a message is ...
- 2021-01-19 02:13
- Forum: General discussions
- Topic: Multiple Instances on one DB Server
- Replies: 14
- Views: 273
Re: Multiple Instances on one DB Server
Just to clarify... My primary hmailserver (Windows 2003 R2 Server) is also my MySQL database server and my secondary hmailserver (Windows 2019 Essential) is my Backup-MX. Both servers currently connect to the MySQL server instance on my primary server. So, two mailservers and one database server. A...
- 2021-01-18 17:48
- Forum: General discussions
- Topic: Multiple Instances on one DB Server
- Replies: 14
- Views: 273
Re: Multiple Instances on one DB Server
Just to clarify...
My primary hmailserver (Windows 2003 R2 Server) is also my MySQL database server and my secondary hmailserver (Windows 2019 Essential) is my Backup-MX. Both servers currently connect to the MySQL server instance on my primary server. So, two mailservers and one database server.
My primary hmailserver (Windows 2003 R2 Server) is also my MySQL database server and my secondary hmailserver (Windows 2019 Essential) is my Backup-MX. Both servers currently connect to the MySQL server instance on my primary server. So, two mailservers and one database server.
- 2021-01-18 17:08
- Forum: General discussions
- Topic: Multiple Instances on one DB Server
- Replies: 14
- Views: 273
Re: Multiple Instances on one DB Server
Hi there, I have a question where I couldn't find an answer yet. Currently I'm running an instance of hMailserver on the embedded CE database. Now as I get quite a bit of emails a day, I would like to move to a MySQL DB (at amazon RDS) where I expect a better performance. For a single instance this...
- 2021-01-15 14:43
- Forum: Off-topic discussions
- Topic: Re: Farts and the stink they cause
- Replies: 61
- Views: 14961
Re: Farts and the stink they cause
I'll be interested to know the definition of 'Again'. What exactly is he trying to go back to? (When was America so *great* and why was it?) Before the US and A has glorious welfare state, we attracted the best and brightest and most productive people. And yes, they were European because a) Europea...
- 2021-01-12 20:19
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
Probably add something like this to your code...
Code: Select all
If Not InStr(oMessage.Subject, "[list]") Then oMessage.Subject = "[list] " & oMessage.Subject
- 2021-01-12 19:49
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
Well... :mrgreen: File: ReloadScript.vbs Option Explicit ' ' ReloadScript.vbs Version 0.01 PRE-Alpha ' Private Const ADMIN = "Administrator" Private Const PASSWORD = "SUPER SECRET PASSWORD" Dim oApp : Set oApp = CreateObject("hMailServer.Application", "192.168.0.5") Call oApp.Authenticate(ADMIN, PAS...
- 2021-01-12 18:46
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
Variable is undefined error usually occurs then the script code references a variable for the first time and explicit variable declaration is enabled. In VBScript this is done with the option explicit statement. I don't have that statement in my script code, but it may be activated elsewhere. If yo...
- 2021-01-12 17:38
- Forum: Scripting
- Topic: hMailServer Offsite Backup
- Replies: 72
- Views: 8988
Re: hMailServer Offsite Backup
Not to worry, it "just one of those things with Windows". The problem with path names containing one or more spaces has existed since Windows 95. https://www.howtogeek.com/694949/how-to-escape-spaces-in-file-paths-on-the-windows-command-line/ Thanks for the pointer, if it is not a problem I need no...
- 2021-01-12 17:16
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
Hi Mike So I tried changing the password. You were right in that yes it contained an @ symbol. Still didn't make much difference. I thought what I would try to do is disable the 2nd rule...the one that looks for the "x-member-of-list" header. That way that rule couldn't kick it out. So with only th...
- 2021-01-12 14:21
- Forum: Scripting
- Topic: hMailServer Offsite Backup
- Replies: 72
- Views: 8988
Re: hMailServer Offsite Backup
Maybe the help text helps: C:\Program Files (x86)\hMailServer\Bin>7za C:\Program Files (x86)\hMailServer\Bin> (There is a " -v{Size}[b|k|m|g]: Create volumes " option) Wikipedia says "standalone executable 7za.exe, containing built-in modules, but with compression/decompression support limited to 7...
- 2021-01-11 16:07
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
I think I may have another clue - it looks like it's not even logging on to the account. All accounts will show "last login" and a time....and it doesn't show anything happening. So there is something there that's not quite right. Hope that helps I would assume "logging on" and "authenticating" are...
- 2021-01-11 01:04
- Forum: General discussions
- Topic: Migrate to new Internet provider. TIPS?
- Replies: 6
- Views: 486
Re: Migrate to new Internet provider. TIPS?
Primary MX on 4G, Internet surf/streaming and secondary MX on fiber - Yes there are issues with multiple default gateways on Windows so I have two hMailServers - a mailserver and a backup-mx/test server. However that also mean I can send out on either ISP :mrgreen: I am curious as to how you keep y...
- 2021-01-10 23:23
- Forum: General discussions
- Topic: Migrate to new Internet provider. TIPS?
- Replies: 6
- Views: 486
Re: Migrate to new Internet provider. TIPS?
Hello All, I have been running hmailserver for a number of years on a dsl line with a static IP behind pfsense. I do have my own domain name associated with that dsl static IP address. The name is under my own control and has nothing to do with the IP provider. Because of speed limitations I am thi...
- 2021-01-10 17:10
- Forum: User-submitted tutorials
- Topic: HOW TO: Install Spamassassin For Windows and SPAMD service
- Replies: 39
- Views: 107351
Re: HOW TO: Install Spamassassin For Windows and SPAMD service
This should be sufficient.
Code: Select all
sa-update.exe -v --nogpg --channelfile UpdateChannels.txt
net stop spamassassin && net start spamassassin
- 2021-01-10 02:52
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
As I posted earlier... Some 11 years ago AndyP designed ListServ functionality for hMailServer. http://www.hmailserver.com/forum/viewtopic.php?f=20&t=15301&start=0 In 2013 Brother Gabriel-Marie, Society of Saint Prius X, made improvements to the script. Unfortunately we do not have the latest versio...
- 2021-01-09 13:13
- Forum: Scripting
- Topic: hMailServer Offsite Backup
- Replies: 72
- Views: 8988
Re: hMailServer Offsite Backup
Thank you Palinka and Soren for pointers. Here is what I found. For Uploading to NAS by NOT USING ROBOCOPY https://github.com/marcosfreccia/Powershell-Scripts/blob/master/SyncFileSystem.ps1 $SourceFolder = "D:\Source" $TargetFolder = "D:\Target\" $SourceFolderItems = Get-ChildItem -Recurse -Path D:...
- 2021-01-09 13:01
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
Thanks Mike. That didn't really do anything or stop the looping. It worked as far as just changing over to announce mode. In announce mode, the only one that can post is the proxy. Then it goes out to all the members. We are so close. I really wish there was some way to maintain a text file or some...
- 2021-01-09 03:14
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
1. Change the MAIL FROM envelope sender from the post originator to the list address. The front-end account may be able to do that. You should create an account on the list's domain with the name you want to use as the list name. Configure this account Forwarding tab, Enabled , Forward to the distr...
- 2021-01-08 15:52
- Forum: Scripting
- Topic: hMailServer Offsite Backup
- Replies: 72
- Views: 8988
Re: hMailServer Offsite Backup
Looks like you can use copy-item with unc paths. https://duckduckgo.com/?q=powershell+copy-item+network+share I never tried it. But then, i never tried anything i never did before i did them. :D If RansomeWare is an issue then you cannot be authenticated on the target server permanently as this is ...
- 2021-01-08 06:05
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
If RewriteEnvelopeFromWhenForwarding=1 and an account is created called "mylist@domain.tld" and this account is set to forward the message to "list1@domain.tld" then the MAIL FROM would be rewritten to "mylist@domain.tld"... Hmmm...you reminded me I suggested something similar to solve a related di...
- 2021-01-08 06:03
- Forum: User-submitted tutorials
- Topic: Giving back to the team and community: log file database upload
- Replies: 36
- Views: 3910
Re: Giving back to the team and community: log file database upload
hMailServerLogImporter1004.7z Here is an almost complete re-write. What has changed: * The bug with sharing violation reported by gotspatel is fixed. + PostgreSQL implemented + Now users can create their own reports. 3x sample JSON definitions can be found under .\Reports\ Any JSON file placed ther...
- 2021-01-08 05:38
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
From what I can see, hMailServer is using the post originator as the MAIL FROM envelope sender no matter what RewriteEnvelopeFromWhenForwarding is set to, and Gmail is looking up the SPF record based on the domain of the envelope sender. It appear from the source that RewriteEnvelopeFromWhenForward...
- 2021-01-07 18:39
- Forum: General discussions
- Topic: Gmail "be careful with this message"
- Replies: 117
- Views: 6368
Re: Gmail "be careful with this message"
Okay got it figured out. Here's how I broke it: A couple of days ago, I changed the ports in order to try to quit being hammered by spammers. So I had changed the mail SMTP from port 25 to port 256. So, in order to get things working, I re-added port 25 for SMTP protocol. I would rather not do that...