A disagreement over the delivery date comes up more often than you'd think: the contact on the brand side changes, the email gets buried in an overflowing inbox, or the deadline itself was misunderstood. Without hard evidence, the conversation quickly tips in favor of whoever's paying.
A timestamped delivery beats an email
A plain email with an attachment proves neither the exact date nor that the recipient actually received it. A delivery tool that timestamps the send and logs when it was opened gives you far stronger proof than an "I sent it Tuesday" from memory.
Proof of opening is your best argument
The real disagreement is almost never about sending, it's about receiving: "we never saw it come through." An open-tracking record (who viewed the delivery, and when) shuts that conversation down fast with a dated fact instead of an impression.
xFer timestamps every delivery and logs when the recipient opens it: if a deadline dispute comes up, you have hard proof to show, not a pile of emails to dig through.
Always keep a copy of the delivery confirmation
Beyond the tool itself, get in the habit of archiving a screenshot or confirmation for every delivery that matters. It's never wasted time: it's the one thing that counts the day a disagreement comes up on a project with real stakes.
In short
A timestamped delivery with proof of opening is worth far more than an email buried in a thread. It's not about distrusting the brand, it's about protecting yourself from a simple misunderstanding that could cost you.