Both KSC and 3BB have recently implemented a scary system where they scan and score all your OUTGOING mail, both corporate and private emails. If your email trigger their alarms. 3BB will eliminate it and it will never reach its destination, KSC will on the other hand stamp the subject with an ugly :: SPAM :: prefix

So If you think of sending an invoice to your customer, or just a love letter, 3BB and KSC will have an opinion on the content and might decide to trash or stain it.

this is a paid service. for god sake.

what a PITTA

You got to look at these things from the local perspective to properly understand, you paid so you already did your part, you can't also decide what the other part is going to do, that's their choice, cannot decide for both, welcome to Thailand, sawatdee craaaap , very very much craaap

source please?

If you need to send an invoice you'll probably have a business in which case you should also have your own website with mail account. Just use that. Easy. It also prevents you from losing your email account when you change ISP.

If you need to send an invoice you'll probably have a business in which case you should also have your own website with mail account. Just use that. Easy. It also prevents you from losing your email account when you change ISP.

I don't know about 3BB but TOT block port 25 (outgoing mail) forcing you to use their SMTP servers.

However that can always be circumvented by using port 587 or 465 which are fairly standard, alternative ports for outgoing mail.

Personally I would never use an ISP's mail server - not only is there the risk mentioned above, also if you send it from an account not provided by them (eg. business) there is an increased risk of ending up in the spam box anyway,

Yes, most ISPs are blocking SMTP ports commonly used to send mail, and force users to send mail through their own service.

ISP should keep their tracking and scoring results to the headers of the emails. when ISP take the liberty of adding wording to the subject or body of the email, its like the postman will add words to your postcards.

like adding "I love you too" to your love postcards.... does not make sense.

KSC does that. The head engineer i managed to speak with told me that i am misusing their service by...sending an invoice through an "home use" account ? I could not believe it !!

So darn KSC and 3BB and True as well. Only ISP sell you services and deliver only fraction of it without getting sued.

Lucky me, I own my server, so i can set up SMPT on any bloody port I wish.

but what with the rest of you......

I use KSC but with our own outgoing SMTP server. Recently the normal SMTP port 25 became blocked by KSC, if fact they managed to block access to their own SMTP server as well

Alternate port is now in use with encryption enabled, not going to stamp my invoices as spam

If I have to I'll VPN to the HongKong office and send my mail out that way.

Although not the expert on this, if they did not monitor for outbound SPAM, their IP would be marked as SPAM email server by others world wide, meaning all mail from anyone from that server world wide would be considered as spam.

test this. send yourself an email using KSC internet. check the full headers of the email

if you find a line that reads

X-IronPort-Anti-Spam-Filtered: true

it means that YOUR OUTGOING email IS being scanned and you are at RISK of loosing emails that score as spam. or even worse your subject will be modified to

Subject: ::SPAM:: original subject

This is an outrageous behavior

i have just canceled two KCS accounts!