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I've imported my contact list and have tried sending a number of mail messages from a POP address I added using a domain that I own, set up in Zoho and verified. Anytime I've tried sending a message from any account other than a Yahoo account, I get the error message "Reason 550 #5.1.0 Address Rejected cannot sent to XXXXX@YYYY.com"
I really like the functionality that Zoho can offer me of utilizing multiple accounts/domains and coordinating calendars and potentially sharing files to clients. However, if I can't send an email, this is useless.
I've searched through the forum, tried setting the accounts up with outgoing authentication, SSL but that didn't seem to do anything.
How do I fix this?
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@flashover52,
Sorry about the issue you faced.
There
are two possible reasons for the error "Reason 550 #5.1.0 Address Rejected cannot sent to username@domain.com" which appeared when you try sending a
mail from your POP account configured in Zoho Mail, they are as follows.
a) Your mail service provider may require authentication to send mail
from your POP account. Please enable "Outgoing Server Requires
Authentication" in your POP account configured in Zoho Mail.
To enable Outgoing Server Requires Authentication, Go to Settings
--> POP Accounts --> click 'Edit' --> enable 'Outgoing Mail Server requires authentication --> Save.
b) If option a) does not work, then this error might be due to your ISP
don't allow relaying. Please contact your ISP regarding this error and
resolve it at once.
Regards,
Kailash.
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Okay -- I talked with my web host and modified the SMTP address. I was able to attempt sending a message but now I'm getting a new error -- "Sending failed; Reason:553 Sorry, that domain isn't in my list of allowed rctphosts."
Is that something that can be resolved on your end now?
Leave a comment on flashover52's reply
I've got the situation resolved. After modifying the SMTP address and port, I also needed to require outgoing authentication but have the option to use the incoming mail settings. All of the addresses appear to e working now....
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