Visitor
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1 Message
Emails sent directly from my accounting software
For a couple of years, I have sent monthly statements to tenants directly from my accounting software. Today, they all came back with various 550 error messages related to "sending domain (COMCAST.NET) does not pass DMARC verification"??? I tried researching what this meant, but all the information assumed my base knowledge was greater than it actually is and my head was spinning!
XfinityKei
Official Employee
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1.6K Messages
10 days ago
@user_ey800w I'm sorry to hear about your outgoing email concerns. I know how important emails are. Error 505 tells us there's an invalid email address. When you see that error does it show which email address it's or the full error code? I recommend checking with your tenant and confirm their email addresses. Here are some examples of that 505 error.
550 - [Not our customer] This error results when a message is sent to a non-existent Comcast customer.
550 - [Your message could not be delivered due to too many invalid recipients] This error results when a message is sent to too many invalid recipients. As a result none of the recipients received the message. Please check your distribution list and resend.
550 - [Invalid sender domain] Comcast requires that all sending domains have a valid A or MX record. This error results when neither record can be found.
550 - [Account not available] This error results when a message is sent to a Comcast account that is currently not available.
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