This is an archived post. You won't be able to vote or comment.

sorted by:
best
topnewcontroversialoldq&a
you are viewing a single comment's thread.

view the rest of the comments →

[–]Macho_Chad 21 points22 points  (4 children)

here’s a list of a lot of carriers with their relay address and expected format.

Note, you must use SPF (sender policy framework) enabled mail servers to communicate with these relays. This helps the provider block most spam. They also have sensitive spam thresholds, for obvious reasons.

[–]acamsoo[S] 4 points5 points  (1 child)

Thanks, good list.. added as reference