You may have had problems sending email from Taiwan.
Did we block your email? Then please
fill out this form.
The largest Internet Service Provider in Taiwan, HINET, lets its customers send all the junk email they want. These spam messages tend to be Big-5 encoded and contain attached graphics. They fill up my users' mailboxes and make them lose the email they wanted.
Since spammers are now able to use HINET with relative impunity, spammers have flocked to them. Any message from a HINET network address is likely to be spam. Therefore it is no longer reasonable to expect responsibly-run networks to accept email from senders using HINET.
If 1% of the 24 million businesses in the United States sent you a spam once a year, your email would be unusable. It would not matter at all if they had "opt-out" provisions.
To prevent the email system as we know it from being destroyed, responsible Internet access providers do not allow spamming. "Opt-out" is irrelevant.
If you had a legitimate reason to send email to a domain I serve, you can
If you find this policy inconvenient, your complaint is with with HINET, not with the well-run parts of the Internet that don't want HINET's abuse. Contact HINET and tell them what you think of their policy of refusing to take care of complaints addressed to firstname.lastname@example.org.