Newsletter 'failure sending newsletter to:'

[izzievoodoo]

Suddenly I'm getting failure sending newsletter to: (all my subscribers) with a SMTP error.
Any ideas please? The Admin email account is working both to and from at this end.

I can't post screenshot for anonymity reasons.

[izzievoodoo]

Can someone please look into this for me?

[miro (staff)]

hi did you check e-mail log? do you see any er...

[izzievoodoo]

Hi Miro. Fixed it. For some reason, the 'From...