Qingdao Sigma Chemical Co., Ltd (International, US, EU, Canada and Australia domestic

Hey everyone! Has anyone been having trouble contacting them? I tried to contact them at the email they have listed but proton rejects it “Error: Rejected by spam filter”. And it’s a bit weird to me as I’ve always been timely with my payments
Get a different email address. FYI, tuta takes 3 days to let you use a new free email. But I always start a new email chain and so far have never had a problem with orders. Someone else mentioned earlier when they send request for money/crypto, proton may be blocking the email due to the images they attach related to crypto. I'm not sure if i have this part right, its just a couple pages back.
 
Get a different email address. FYI, tuta takes 3 days to let you use a new free email. But I always start a new email chain and so far have never had a problem with orders. Someone else mentioned earlier when they send request for money/crypto, proton may be blocking the email due to the images they attach related to crypto. I'm not sure if i have this part right, its just a couple pages back.
Good to know about Tuta, opened an account and can't log in lol!
 
Get a different email address. FYI, tuta takes 3 days to let you use a new free email. But I always start a new email chain and so far have never had a problem with orders. Someone else mentioned earlier when they send request for money/crypto, proton may be blocking the email due to the images they attach related to crypto. I'm not sure if i have this part right, its just a couple pages back.
I get the spam only when they reply back for payment, when I reply back is when it happens. When I send the info back to them in a new email (still proton) we respond back and forth just fine because the image in not there.
 
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