Problems receiving email from my bank (greylisting)
I have read up on greylisting and noticed that emails from my bank, First United Bank in the US has a greylisting delay of >1000s (one was even 3693s), from what I could tell in looking at the source email and looking at greylisting header. I understand that this timing does not have anything to do with mailbox.org as it is up to the senders email service to retry after a shorter period of time.
Nevertheless, I do believe, in reading the documentation from mailbox.org, that once an IP address is known then it is possible to stop greylisting them? I am curious how I can go about doing this (via a ticket or would this post suffice?)
Some of the questions I have read: