error 5.1.0 says sender rejected but I’m not blocked by the recipient
This is not an action of eM Client, but rather the server. Depending on which server sent the message, maybe something to ask your or the receiver’s email provider?
error 5.1.0 says sender rejected but I’m not blocked by the recipient
This is not an action of eM Client, but rather the server. Depending on which server sent the message, maybe something to ask your or the receiver’s email provider?