Tried to register a Loudly account using my email from Tutamail, but only got “invalid email”.
Sent an email asking what was wrong, this was their reply (guess they only accept US emails. And here I thought Loudly was European) :
Hi, Thanks for your email and interest in Loudly! We don’t block any specific email domains, including Tutamail. However, our system uses a service to analyze email addresses and determine whether they are valid and recognized. Occasionally, less common email providers may be flagged as invalid during this process.
We recommend using a well-known email provider (such as Gmail, Outlook, or Yahoo) to ensure smooth registration.
If you have any further inquiries, please do not hesitate to contact us. Best regards,
Your Loudly Team
Kudos for quick response, thumbs down for the fix it yourself “solution”.
#tutamail
I may have some insight here: in marketing there are third party services which will “verify” an email is legit. They do this by sending an automated inquiry to that email domain’s servers. Many servers are set up to respond and verify, “yes this is a real address” or “no, we don’t have an address like that.”
Catch is that this allows marketers to confirm, yes, my message will reach a real person if I send it here, and they may send spam. So some services intentionally configure their servers to give no response or a less definitive response.
Without looking into it I would bet that’s what Tutamail has done.
Still annoying that Loudly doesn’t support it, but probably less a question of size/location and more of configuration.
technically it’s hard to block those probes. in SMTP (the protocol used to deliver emails to target servers) if the query uses VRFY it’s open about it’s intensions, but RCPT TO reveals the same information. so the only way to block is an IP based block list. and those I know only list spammers, not probers.